Update source to SDL2 2.0.12

Edward Rudd

2020-05-02 03f8528315fa46c95991a34f3325d7b33ae5538c

 source/src/render/direct3d/SDL_render_d3d.c

@@ -1,6 +1,6 @@
/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
@@ -30,6 +30,8 @@
#include "SDL_hints.h"
#include "SDL_loadso.h"
#include "SDL_syswm.h"
#include "SDL_log.h"
#include "SDL_assert.h"
#include "../SDL_sysrender.h"
#include "../SDL_d3dmath.h"
#include "../../video/windows/SDL_windowsvideo.h"
@@ -41,60 +43,22 @@

#include "SDL_shaders_d3d.h"

typedef struct
{
    SDL_Rect viewport;
    SDL_bool viewport_dirty;
    SDL_Texture *texture;
    SDL_BlendMode blend;
    SDL_bool cliprect_enabled;
    SDL_bool cliprect_enabled_dirty;
    SDL_Rect cliprect;
    SDL_bool cliprect_dirty;
    SDL_bool is_copy_ex;
    LPDIRECT3DPIXELSHADER9 shader;
} D3D_DrawStateCache;


/* Direct3D renderer implementation */

static SDL_Renderer *D3D_CreateRenderer(SDL_Window * window, Uint32 flags);
static void D3D_WindowEvent(SDL_Renderer * renderer,
                            const SDL_WindowEvent *event);
static SDL_bool D3D_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode);
static int D3D_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_RecreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                             const SDL_Rect * rect, const void *pixels,
                             int pitch);
static int D3D_UpdateTextureYUV(SDL_Renderer * renderer, SDL_Texture * texture,
                                const SDL_Rect * rect,
                                const Uint8 *Yplane, int Ypitch,
                                const Uint8 *Uplane, int Upitch,
                                const Uint8 *Vplane, int Vpitch);
static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
                           const SDL_Rect * rect, void **pixels, int *pitch);
static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_SetRenderTargetInternal(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_UpdateViewport(SDL_Renderer * renderer);
static int D3D_UpdateClipRect(SDL_Renderer * renderer);
static int D3D_RenderClear(SDL_Renderer * renderer);
static int D3D_RenderDrawPoints(SDL_Renderer * renderer,
                                const SDL_FPoint * points, int count);
static int D3D_RenderDrawLines(SDL_Renderer * renderer,
                               const SDL_FPoint * points, int count);
static int D3D_RenderFillRects(SDL_Renderer * renderer,
                               const SDL_FRect * rects, int count);
static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
                          const SDL_Rect * srcrect, const SDL_FRect * dstrect);
static int D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
                          const SDL_Rect * srcrect, const SDL_FRect * dstrect,
                          const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip);
static int D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
                                Uint32 format, void * pixels, int pitch);
static void D3D_RenderPresent(SDL_Renderer * renderer);
static void D3D_DestroyTexture(SDL_Renderer * renderer,
                               SDL_Texture * texture);
static void D3D_DestroyRenderer(SDL_Renderer * renderer);


SDL_RenderDriver D3D_RenderDriver = {
    D3D_CreateRenderer,
    {
     "direct3d",
     (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
     1,
     {SDL_PIXELFORMAT_ARGB8888},
     0,
     0}
};

typedef struct
{
@@ -111,6 +75,11 @@
    IDirect3DSurface9 *currentRenderTarget;
    void* d3dxDLL;
    LPDIRECT3DPIXELSHADER9 shaders[NUM_SHADERS];
    LPDIRECT3DVERTEXBUFFER9 vertexBuffers[8];
    size_t vertexBufferSize[8];
    int currentVertexBuffer;
    SDL_bool reportedVboProblem;
    D3D_DrawStateCache drawstate;
} D3D_RenderData;

typedef struct
@@ -265,9 +234,12 @@
    D3DMATRIX matrix;

    IDirect3DDevice9 *device = data->device;

    IDirect3DDevice9_SetVertexShader(device, NULL);
    IDirect3DDevice9_SetPixelShader(device, NULL);
    IDirect3DDevice9_SetTexture(device, 0, NULL);
    IDirect3DDevice9_SetTexture(device, 1, NULL);
    IDirect3DDevice9_SetTexture(device, 2, NULL);
    IDirect3DDevice9_SetFVF(device, D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1);
    IDirect3DDevice9_SetVertexShader(device, NULL);
    IDirect3DDevice9_SetRenderState(device, D3DRS_ZENABLE, D3DZB_FALSE);
    IDirect3DDevice9_SetRenderState(device, D3DRS_CULLMODE, D3DCULL_NONE);
    IDirect3DDevice9_SetRenderState(device, D3DRS_LIGHTING, FALSE);
@@ -300,21 +272,10 @@
                                          D3DTOP_DISABLE);

    /* Set an identity world and view matrix */
    SDL_zero(matrix);
    matrix.m[0][0] = 1.0f;
    matrix.m[0][1] = 0.0f;
    matrix.m[0][2] = 0.0f;
    matrix.m[0][3] = 0.0f;
    matrix.m[1][0] = 0.0f;
    matrix.m[1][1] = 1.0f;
    matrix.m[1][2] = 0.0f;
    matrix.m[1][3] = 0.0f;
    matrix.m[2][0] = 0.0f;
    matrix.m[2][1] = 0.0f;
    matrix.m[2][2] = 1.0f;
    matrix.m[2][3] = 0.0f;
    matrix.m[3][0] = 0.0f;
    matrix.m[3][1] = 0.0f;
    matrix.m[3][2] = 0.0f;
    matrix.m[3][3] = 1.0f;
    IDirect3DDevice9_SetTransform(device, D3DTS_WORLD, &matrix);
    IDirect3DDevice9_SetTransform(device, D3DTS_VIEW, &matrix);
@@ -326,63 +287,7 @@
    data->beginScene = SDL_TRUE;
}

static int
D3D_Reset(SDL_Renderer * renderer)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    HRESULT result;
    SDL_Texture *texture;

    /* Release the default render target before reset */
    if (data->defaultRenderTarget) {
        IDirect3DSurface9_Release(data->defaultRenderTarget);
        data->defaultRenderTarget = NULL;
    }
    if (data->currentRenderTarget != NULL) {
        IDirect3DSurface9_Release(data->currentRenderTarget);
        data->currentRenderTarget = NULL;
    }

    /* Release application render targets */
    for (texture = renderer->textures; texture; texture = texture->next) {
        if (texture->access == SDL_TEXTUREACCESS_TARGET) {
            D3D_DestroyTexture(renderer, texture);
        } else {
            D3D_RecreateTexture(renderer, texture);
        }
    }

    result = IDirect3DDevice9_Reset(data->device, &data->pparams);
    if (FAILED(result)) {
        if (result == D3DERR_DEVICELOST) {
            /* Don't worry about it, we'll reset later... */
            return 0;
        } else {
            return D3D_SetError("Reset()", result);
        }
    }

    /* Allocate application render targets */
    for (texture = renderer->textures; texture; texture = texture->next) {
        if (texture->access == SDL_TEXTUREACCESS_TARGET) {
            D3D_CreateTexture(renderer, texture);
        }
    }

    IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget);
    D3D_InitRenderState(data);
    D3D_SetRenderTargetInternal(renderer, renderer->target);
    D3D_UpdateViewport(renderer);

    /* Let the application know that render targets were reset */
    {
        SDL_Event event;
        event.type = SDL_RENDER_TARGETS_RESET;
        SDL_PushEvent(&event);
    }

    return 0;
}
static int D3D_Reset(SDL_Renderer * renderer);

static int
D3D_ActivateRenderer(SDL_Renderer * renderer)
@@ -429,177 +334,6 @@
        data->beginScene = SDL_FALSE;
    }
    return 0;
}

SDL_Renderer *
D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
{
    SDL_Renderer *renderer;
    D3D_RenderData *data;
    SDL_SysWMinfo windowinfo;
    HRESULT result;
    D3DPRESENT_PARAMETERS pparams;
    IDirect3DSwapChain9 *chain;
    D3DCAPS9 caps;
    DWORD device_flags;
    Uint32 window_flags;
    int w, h;
    SDL_DisplayMode fullscreen_mode;
    int displayIndex;

    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
    if (!renderer) {
        SDL_OutOfMemory();
        return NULL;
    }

    data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
    if (!data) {
        SDL_free(renderer);
        SDL_OutOfMemory();
        return NULL;
    }

    if (!D3D_LoadDLL(&data->d3dDLL, &data->d3d)) {
        SDL_free(renderer);
        SDL_free(data);
        SDL_SetError("Unable to create Direct3D interface");
        return NULL;
    }

    renderer->WindowEvent = D3D_WindowEvent;
    renderer->SupportsBlendMode = D3D_SupportsBlendMode;
    renderer->CreateTexture = D3D_CreateTexture;
    renderer->UpdateTexture = D3D_UpdateTexture;
    renderer->UpdateTextureYUV = D3D_UpdateTextureYUV;
    renderer->LockTexture = D3D_LockTexture;
    renderer->UnlockTexture = D3D_UnlockTexture;
    renderer->SetRenderTarget = D3D_SetRenderTarget;
    renderer->UpdateViewport = D3D_UpdateViewport;
    renderer->UpdateClipRect = D3D_UpdateClipRect;
    renderer->RenderClear = D3D_RenderClear;
    renderer->RenderDrawPoints = D3D_RenderDrawPoints;
    renderer->RenderDrawLines = D3D_RenderDrawLines;
    renderer->RenderFillRects = D3D_RenderFillRects;
    renderer->RenderCopy = D3D_RenderCopy;
    renderer->RenderCopyEx = D3D_RenderCopyEx;
    renderer->RenderReadPixels = D3D_RenderReadPixels;
    renderer->RenderPresent = D3D_RenderPresent;
    renderer->DestroyTexture = D3D_DestroyTexture;
    renderer->DestroyRenderer = D3D_DestroyRenderer;
    renderer->info = D3D_RenderDriver.info;
    renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
    renderer->driverdata = data;

    SDL_VERSION(&windowinfo.version);
    SDL_GetWindowWMInfo(window, &windowinfo);

    window_flags = SDL_GetWindowFlags(window);
    SDL_GetWindowSize(window, &w, &h);
    SDL_GetWindowDisplayMode(window, &fullscreen_mode);

    SDL_zero(pparams);
    pparams.hDeviceWindow = windowinfo.info.win.window;
    pparams.BackBufferWidth = w;
    pparams.BackBufferHeight = h;
    pparams.BackBufferCount = 1;
    pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;

    if (window_flags & SDL_WINDOW_FULLSCREEN && (window_flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
        pparams.Windowed = FALSE;
        pparams.BackBufferFormat = PixelFormatToD3DFMT(fullscreen_mode.format);
        pparams.FullScreen_RefreshRateInHz = fullscreen_mode.refresh_rate;
    } else {
        pparams.Windowed = TRUE;
        pparams.BackBufferFormat = D3DFMT_UNKNOWN;
        pparams.FullScreen_RefreshRateInHz = 0;
    }
    if (flags & SDL_RENDERER_PRESENTVSYNC) {
        pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
    } else {
        pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
    }

    /* Get the adapter for the display that the window is on */
    displayIndex = SDL_GetWindowDisplayIndex(window);
    data->adapter = SDL_Direct3D9GetAdapterIndex(displayIndex);

    IDirect3D9_GetDeviceCaps(data->d3d, data->adapter, D3DDEVTYPE_HAL, &caps);

    device_flags = D3DCREATE_FPU_PRESERVE;
    if (caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
        device_flags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
    } else {
        device_flags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
    }

    if (SDL_GetHintBoolean(SDL_HINT_RENDER_DIRECT3D_THREADSAFE, SDL_FALSE)) {
        device_flags |= D3DCREATE_MULTITHREADED;
    }

    result = IDirect3D9_CreateDevice(data->d3d, data->adapter,
                                     D3DDEVTYPE_HAL,
                                     pparams.hDeviceWindow,
                                     device_flags,
                                     &pparams, &data->device);
    if (FAILED(result)) {
        D3D_DestroyRenderer(renderer);
        D3D_SetError("CreateDevice()", result);
        return NULL;
    }

    /* Get presentation parameters to fill info */
    result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
    if (FAILED(result)) {
        D3D_DestroyRenderer(renderer);
        D3D_SetError("GetSwapChain()", result);
        return NULL;
    }
    result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
    if (FAILED(result)) {
        IDirect3DSwapChain9_Release(chain);
        D3D_DestroyRenderer(renderer);
        D3D_SetError("GetPresentParameters()", result);
        return NULL;
    }
    IDirect3DSwapChain9_Release(chain);
    if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
        renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
    }
    data->pparams = pparams;

    IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
    renderer->info.max_texture_width = caps.MaxTextureWidth;
    renderer->info.max_texture_height = caps.MaxTextureHeight;
    if (caps.NumSimultaneousRTs >= 2) {
        renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
    }

    if (caps.PrimitiveMiscCaps & D3DPMISCCAPS_SEPARATEALPHABLEND) {
        data->enableSeparateAlphaBlend = SDL_TRUE;
    }

    /* Store the default render target */
    IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget);
    data->currentRenderTarget = NULL;

    /* Set up parameters for rendering */
    D3D_InitRenderState(data);

    if (caps.MaxSimultaneousTextures >= 3) {
        int i;
        for (i = 0; i < SDL_arraysize(data->shaders); ++i) {
            result = D3D9_CreatePixelShader(data->device, (D3D9_Shader)i, &data->shaders[i]);
            if (FAILED(result)) {
                D3D_SetError("CreatePixelShader()", result);
            }
        }
        if (data->shaders[SHADER_YUV_JPEG] && data->shaders[SHADER_YUV_BT601] && data->shaders[SHADER_YUV_BT709]) {
            renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_YV12;
            renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
        }
    }
    return renderer;
}

static void
@@ -697,33 +431,6 @@
        if (FAILED(result)) {
            return D3D_SetError("CreateTexture(D3DPOOL_SYSTEMMEM)", result);
        }
    }
    return 0;
}

static int
D3D_BindTextureRep(IDirect3DDevice9 *device, D3D_TextureRep *texture, DWORD sampler)
{
    HRESULT result;

    if (texture->dirty && texture->staging) {
        if (!texture->texture) {
            result = IDirect3DDevice9_CreateTexture(device, texture->w, texture->h, 1, texture->usage,
                PixelFormatToD3DFMT(texture->format), D3DPOOL_DEFAULT, &texture->texture, NULL);
            if (FAILED(result)) {
                return D3D_SetError("CreateTexture(D3DPOOL_DEFAULT)", result);
            }
        }

        result = IDirect3DDevice9_UpdateTexture(device, (IDirect3DBaseTexture9 *)texture->staging, (IDirect3DBaseTexture9 *)texture->texture);
        if (FAILED(result)) {
            return D3D_SetError("UpdateTexture()", result);
        }
        texture->dirty = SDL_FALSE;
    }
    result = IDirect3DDevice9_SetTexture(device, sampler, (IDirect3DBaseTexture9 *)texture->texture);
    if (FAILED(result)) {
        return D3D_SetError("SetTexture()", result);
    }
    return 0;
}
@@ -987,7 +694,7 @@
static void
D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
    /*D3D_RenderData *data = (D3D_RenderData *)renderer->driverdata;*/
    D3D_RenderData *data = (D3D_RenderData *)renderer->driverdata;
    D3D_TextureData *texturedata = (D3D_TextureData *)texture->driverdata;

    if (!texturedata) {
@@ -1003,7 +710,29 @@
    } else {
        IDirect3DTexture9_UnlockRect(texturedata->texture.staging, 0);
        texturedata->texture.dirty = SDL_TRUE;
   }
        if (data->drawstate.texture == texture) {
            data->drawstate.texture = NULL;
            data->drawstate.shader = NULL;
            IDirect3DDevice9_SetPixelShader(data->device, NULL);
            IDirect3DDevice9_SetTexture(data->device, 0, NULL);
            if (texturedata->yuv) {
                IDirect3DDevice9_SetTexture(data->device, 1, NULL);
                IDirect3DDevice9_SetTexture(data->device, 2, NULL);
            }
        }
    }
}

static void
D3D_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture, SDL_ScaleMode scaleMode)
{
    D3D_TextureData *texturedata = (D3D_TextureData *)texture->driverdata;

    if (!texturedata) {
        return;
    }

    texturedata->scaleMode = (scaleMode == SDL_ScaleModeNearest) ? D3DTEXF_POINT : D3DTEXF_LINEAR;
}

static int
@@ -1072,330 +801,261 @@
    return D3D_SetRenderTargetInternal(renderer, texture);
}


static int
D3D_UpdateViewport(SDL_Renderer * renderer)
D3D_QueueSetViewport(SDL_Renderer * renderer, SDL_RenderCommand *cmd)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    D3DVIEWPORT9 viewport;
    D3DMATRIX matrix;

    /* Set the viewport */
    viewport.X = renderer->viewport.x;
    viewport.Y = renderer->viewport.y;
    viewport.Width = renderer->viewport.w;
    viewport.Height = renderer->viewport.h;
    viewport.MinZ = 0.0f;
    viewport.MaxZ = 1.0f;
    IDirect3DDevice9_SetViewport(data->device, &viewport);

    /* Set an orthographic projection matrix */
    if (renderer->viewport.w && renderer->viewport.h) {
        matrix.m[0][0] = 2.0f / renderer->viewport.w;
        matrix.m[0][1] = 0.0f;
        matrix.m[0][2] = 0.0f;
        matrix.m[0][3] = 0.0f;
        matrix.m[1][0] = 0.0f;
        matrix.m[1][1] = -2.0f / renderer->viewport.h;
        matrix.m[1][2] = 0.0f;
        matrix.m[1][3] = 0.0f;
        matrix.m[2][0] = 0.0f;
        matrix.m[2][1] = 0.0f;
        matrix.m[2][2] = 1.0f;
        matrix.m[2][3] = 0.0f;
        matrix.m[3][0] = -1.0f;
        matrix.m[3][1] = 1.0f;
        matrix.m[3][2] = 0.0f;
        matrix.m[3][3] = 1.0f;
        IDirect3DDevice9_SetTransform(data->device, D3DTS_PROJECTION, &matrix);
    }

    return 0;
    return 0;  /* nothing to do in this backend. */
}

static int
D3D_UpdateClipRect(SDL_Renderer * renderer)
D3D_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points, int count)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;

    if (renderer->clipping_enabled) {
        const SDL_Rect *rect = &renderer->clip_rect;
        RECT r;
        HRESULT result;

        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, TRUE);
        r.left = renderer->viewport.x + rect->x;
        r.top = renderer->viewport.y + rect->y;
        r.right = renderer->viewport.x + rect->x + rect->w;
        r.bottom = renderer->viewport.y + rect->y + rect->h;

        result = IDirect3DDevice9_SetScissorRect(data->device, &r);
        if (result != D3D_OK) {
            D3D_SetError("SetScissor()", result);
            return -1;
        }
    } else {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, FALSE);
    }
    return 0;
}

static int
D3D_RenderClear(SDL_Renderer * renderer)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    DWORD color;
    HRESULT result;
    int BackBufferWidth, BackBufferHeight;

    if (D3D_ActivateRenderer(renderer) < 0) {
        return -1;
    }

    color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);

    if (renderer->target) {
        BackBufferWidth = renderer->target->w;
        BackBufferHeight = renderer->target->h;
    } else {
        BackBufferWidth = data->pparams.BackBufferWidth;
        BackBufferHeight = data->pparams.BackBufferHeight;
    }

    if (renderer->clipping_enabled) {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, FALSE);
    }

    /* Don't reset the viewport if we don't have to! */
    if (!renderer->viewport.x && !renderer->viewport.y &&
        renderer->viewport.w == BackBufferWidth &&
        renderer->viewport.h == BackBufferHeight) {
        result = IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);
    } else {
        D3DVIEWPORT9 viewport;

        /* Clear is defined to clear the entire render target */
        viewport.X = 0;
        viewport.Y = 0;
        viewport.Width = BackBufferWidth;
        viewport.Height = BackBufferHeight;
        viewport.MinZ = 0.0f;
        viewport.MaxZ = 1.0f;
        IDirect3DDevice9_SetViewport(data->device, &viewport);

        result = IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);

        /* Reset the viewport */
        viewport.X = renderer->viewport.x;
        viewport.Y = renderer->viewport.y;
        viewport.Width = renderer->viewport.w;
        viewport.Height = renderer->viewport.h;
        viewport.MinZ = 0.0f;
        viewport.MaxZ = 1.0f;
        IDirect3DDevice9_SetViewport(data->device, &viewport);
    }

    if (renderer->clipping_enabled) {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, TRUE);
    }

    if (FAILED(result)) {
        return D3D_SetError("Clear()", result);
    }
    return 0;
}

static void
D3D_SetBlendMode(D3D_RenderData * data, SDL_BlendMode blendMode)
{
    if (blendMode == SDL_BLENDMODE_NONE) {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE, FALSE);
    } else {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE, TRUE);
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
                                        GetBlendFunc(SDL_GetBlendModeSrcColorFactor(blendMode)));
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
                                        GetBlendFunc(SDL_GetBlendModeDstColorFactor(blendMode)));
        if (data->enableSeparateAlphaBlend) {
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLENDALPHA,
                                            GetBlendFunc(SDL_GetBlendModeSrcAlphaFactor(blendMode)));
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLENDALPHA,
                                            GetBlendFunc(SDL_GetBlendModeDstAlphaFactor(blendMode)));
        }
    }
}

static int
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_FPoint * points,
                     int count)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    DWORD color;
    Vertex *vertices;
    const DWORD color = D3DCOLOR_ARGB(cmd->data.draw.a, cmd->data.draw.r, cmd->data.draw.g, cmd->data.draw.b);
    const size_t vertslen = count * sizeof (Vertex);
    Vertex *verts = (Vertex *) SDL_AllocateRenderVertices(renderer, vertslen, 0, &cmd->data.draw.first);
    int i;
    HRESULT result;

    if (D3D_ActivateRenderer(renderer) < 0) {
    if (!verts) {
        return -1;
    }

    D3D_SetBlendMode(data, renderer->blendMode);
    SDL_memset(verts, '\0', vertslen);
    cmd->data.draw.count = count;

    result =
        IDirect3DDevice9_SetTexture(data->device, 0,
                                    (IDirect3DBaseTexture9 *) 0);
    if (FAILED(result)) {
        return D3D_SetError("SetTexture()", result);
    for (i = 0; i < count; i++, verts++, points++) {
        verts->x = points->x;
        verts->y = points->y;
        verts->color = color;
    }

    color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);

    vertices = SDL_stack_alloc(Vertex, count);
    for (i = 0; i < count; ++i) {
        vertices[i].x = points[i].x;
        vertices[i].y = points[i].y;
        vertices[i].z = 0.0f;
        vertices[i].color = color;
        vertices[i].u = 0.0f;
        vertices[i].v = 0.0f;
    }
    result =
        IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
                                         vertices, sizeof(*vertices));
    SDL_stack_free(vertices);
    if (FAILED(result)) {
        return D3D_SetError("DrawPrimitiveUP()", result);
    }
    return 0;
}

static int
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_FPoint * points,
                    int count)
D3D_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects, int count)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    DWORD color;
    Vertex *vertices;
    const DWORD color = D3DCOLOR_ARGB(cmd->data.draw.a, cmd->data.draw.r, cmd->data.draw.g, cmd->data.draw.b);
    const size_t vertslen = count * sizeof (Vertex) * 4;
    Vertex *verts = (Vertex *) SDL_AllocateRenderVertices(renderer, vertslen, 0, &cmd->data.draw.first);
    int i;
    HRESULT result;

    if (D3D_ActivateRenderer(renderer) < 0) {
    if (!verts) {
        return -1;
    }

    D3D_SetBlendMode(data, renderer->blendMode);
    SDL_memset(verts, '\0', vertslen);
    cmd->data.draw.count = count;

    result =
        IDirect3DDevice9_SetTexture(data->device, 0,
                                    (IDirect3DBaseTexture9 *) 0);
    if (FAILED(result)) {
        return D3D_SetError("SetTexture()", result);
    }

    color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);

    vertices = SDL_stack_alloc(Vertex, count);
    for (i = 0; i < count; ++i) {
        vertices[i].x = points[i].x;
        vertices[i].y = points[i].y;
        vertices[i].z = 0.0f;
        vertices[i].color = color;
        vertices[i].u = 0.0f;
        vertices[i].v = 0.0f;
    }
    result =
        IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
                                         vertices, sizeof(*vertices));

    /* DirectX 9 has the same line rasterization semantics as GDI,
       so we need to close the endpoint of the line */
    if (count == 2 ||
        points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
        vertices[0].x = points[count-1].x;
        vertices[0].y = points[count-1].y;
        result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, vertices, sizeof(*vertices));
    }

    SDL_stack_free(vertices);
    if (FAILED(result)) {
        return D3D_SetError("DrawPrimitiveUP()", result);
    }
    return 0;
}

static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects,
                    int count)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    DWORD color;
    int i;
    float minx, miny, maxx, maxy;
    Vertex vertices[4];
    HRESULT result;

    if (D3D_ActivateRenderer(renderer) < 0) {
        return -1;
    }

    D3D_SetBlendMode(data, renderer->blendMode);

    result =
        IDirect3DDevice9_SetTexture(data->device, 0,
                                    (IDirect3DBaseTexture9 *) 0);
    if (FAILED(result)) {
        return D3D_SetError("SetTexture()", result);
    }

    color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);

    for (i = 0; i < count; ++i) {
    for (i = 0; i < count; i++) {
        const SDL_FRect *rect = &rects[i];
        const float minx = rect->x;
        const float maxx = rect->x + rect->w;
        const float miny = rect->y;
        const float maxy = rect->y + rect->h;

        minx = rect->x;
        miny = rect->y;
        maxx = rect->x + rect->w;
        maxy = rect->y + rect->h;
        verts->x = minx;
        verts->y = miny;
        verts->color = color;
        verts++;

        vertices[0].x = minx;
        vertices[0].y = miny;
        vertices[0].z = 0.0f;
        vertices[0].color = color;
        vertices[0].u = 0.0f;
        vertices[0].v = 0.0f;
        verts->x = maxx;
        verts->y = miny;
        verts->color = color;
        verts++;

        vertices[1].x = maxx;
        vertices[1].y = miny;
        vertices[1].z = 0.0f;
        vertices[1].color = color;
        vertices[1].u = 0.0f;
        vertices[1].v = 0.0f;
        verts->x = maxx;
        verts->y = maxy;
        verts->color = color;
        verts++;

        vertices[2].x = maxx;
        vertices[2].y = maxy;
        vertices[2].z = 0.0f;
        vertices[2].color = color;
        vertices[2].u = 0.0f;
        vertices[2].v = 0.0f;
        verts->x = minx;
        verts->y = maxy;
        verts->color = color;
        verts++;
    }

        vertices[3].x = minx;
        vertices[3].y = maxy;
        vertices[3].z = 0.0f;
        vertices[3].color = color;
        vertices[3].u = 0.0f;
        vertices[3].v = 0.0f;
    return 0;
}

        result =
            IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN,
                                             2, vertices, sizeof(*vertices));
        if (FAILED(result)) {
            return D3D_SetError("DrawPrimitiveUP()", result);
static int
D3D_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
                          const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
    const DWORD color = D3DCOLOR_ARGB(cmd->data.draw.a, cmd->data.draw.r, cmd->data.draw.g, cmd->data.draw.b);
    float minx, miny, maxx, maxy;
    float minu, maxu, minv, maxv;
    const size_t vertslen = sizeof (Vertex) * 4;
    Vertex *verts = (Vertex *) SDL_AllocateRenderVertices(renderer, vertslen, 0, &cmd->data.draw.first);

    if (!verts) {
        return -1;
    }

    cmd->data.draw.count = 1;

    minx = dstrect->x - 0.5f;
    miny = dstrect->y - 0.5f;
    maxx = dstrect->x + dstrect->w - 0.5f;
    maxy = dstrect->y + dstrect->h - 0.5f;

    minu = (float) srcrect->x / texture->w;
    maxu = (float) (srcrect->x + srcrect->w) / texture->w;
    minv = (float) srcrect->y / texture->h;
    maxv = (float) (srcrect->y + srcrect->h) / texture->h;

    verts->x = minx;
    verts->y = miny;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = minu;
    verts->v = minv;
    verts++;

    verts->x = maxx;
    verts->y = miny;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = maxu;
    verts->v = minv;
    verts++;

    verts->x = maxx;
    verts->y = maxy;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = maxu;
    verts->v = maxv;
    verts++;

    verts->x = minx;
    verts->y = maxy;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = minu;
    verts->v = maxv;
    verts++;

    return 0;
}

static int
D3D_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
                        const SDL_Rect * srcquad, const SDL_FRect * dstrect,
                        const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
{
    const DWORD color = D3DCOLOR_ARGB(cmd->data.draw.a, cmd->data.draw.r, cmd->data.draw.g, cmd->data.draw.b);
    float minx, miny, maxx, maxy;
    float minu, maxu, minv, maxv;
    const size_t vertslen = sizeof (Vertex) * 5;
    Vertex *verts = (Vertex *) SDL_AllocateRenderVertices(renderer, vertslen, 0, &cmd->data.draw.first);

    if (!verts) {
        return -1;
    }

    cmd->data.draw.count = 1;

    minx = -center->x;
    maxx = dstrect->w - center->x;
    miny = -center->y;
    maxy = dstrect->h - center->y;

    if (flip & SDL_FLIP_HORIZONTAL) {
        minu = (float) (srcquad->x + srcquad->w) / texture->w;
        maxu = (float) srcquad->x / texture->w;
    } else {
        minu = (float) srcquad->x / texture->w;
        maxu = (float) (srcquad->x + srcquad->w) / texture->w;
    }

    if (flip & SDL_FLIP_VERTICAL) {
        minv = (float) (srcquad->y + srcquad->h) / texture->h;
        maxv = (float) srcquad->y / texture->h;
    } else {
        minv = (float) srcquad->y / texture->h;
        maxv = (float) (srcquad->y + srcquad->h) / texture->h;
    }

    verts->x = minx;
    verts->y = miny;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = minu;
    verts->v = minv;
    verts++;

    verts->x = maxx;
    verts->y = miny;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = maxu;
    verts->v = minv;
    verts++;

    verts->x = maxx;
    verts->y = maxy;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = maxu;
    verts->v = maxv;
    verts++;

    verts->x = minx;
    verts->y = maxy;
    verts->z = 0.0f;
    verts->color = color;
    verts->u = minu;
    verts->v = maxv;
    verts++;

    verts->x = dstrect->x + center->x - 0.5f;  /* X translation */
    verts->y = dstrect->y + center->y - 0.5f;  /* Y translation */
    verts->z = (float)(M_PI * (float) angle / 180.0f);  /* rotation */
    verts->color = 0;
    verts->u = 0.0f;
    verts->v = 0.0f;
    verts++;

    return 0;
}

static int
UpdateDirtyTexture(IDirect3DDevice9 *device, D3D_TextureRep *texture)
{
    if (texture->dirty && texture->staging) {
        HRESULT result;
        if (!texture->texture) {
            result = IDirect3DDevice9_CreateTexture(device, texture->w, texture->h, 1, texture->usage,
                PixelFormatToD3DFMT(texture->format), D3DPOOL_DEFAULT, &texture->texture, NULL);
            if (FAILED(result)) {
                return D3D_SetError("CreateTexture(D3DPOOL_DEFAULT)", result);
            }
        }

        result = IDirect3DDevice9_UpdateTexture(device, (IDirect3DBaseTexture9 *)texture->staging, (IDirect3DBaseTexture9 *)texture->texture);
        if (FAILED(result)) {
            return D3D_SetError("UpdateTexture()", result);
        }
        texture->dirty = SDL_FALSE;
    }
    return 0;
}

static int
BindTextureRep(IDirect3DDevice9 *device, D3D_TextureRep *texture, DWORD sampler)
{
    HRESULT result;
    UpdateDirtyTexture(device, texture);
    result = IDirect3DDevice9_SetTexture(device, sampler, (IDirect3DBaseTexture9 *)texture->texture);
    if (FAILED(result)) {
        return D3D_SetError("SetTexture()", result);
    }
    return 0;
}

static void
D3D_UpdateTextureScaleMode(D3D_RenderData *data, D3D_TextureData *texturedata, unsigned index)
UpdateTextureScaleMode(D3D_RenderData *data, D3D_TextureData *texturedata, unsigned index)
{
    if (texturedata->scaleMode != data->scaleMode[index]) {
        IDirect3DDevice9_SetSamplerState(data->device, index, D3DSAMP_MINFILTER,
@@ -1411,22 +1071,20 @@
}

static int
D3D_RenderSetupTextureState(SDL_Renderer * renderer, SDL_Texture * texture, LPDIRECT3DPIXELSHADER9 *shader)
SetupTextureState(D3D_RenderData *data, SDL_Texture * texture, LPDIRECT3DPIXELSHADER9 *shader)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    D3D_TextureData *texturedata;
    D3D_TextureData *texturedata = (D3D_TextureData *)texture->driverdata;

    *shader = NULL;
    SDL_assert(*shader == NULL);

    texturedata = (D3D_TextureData *)texture->driverdata;
    if (!texturedata) {
        SDL_SetError("Texture is not currently available");
        return -1;
    }

    D3D_UpdateTextureScaleMode(data, texturedata, 0);
    UpdateTextureScaleMode(data, texturedata, 0);

    if (D3D_BindTextureRep(data->device, &texturedata->texture, 0) < 0) {
    if (BindTextureRep(data->device, &texturedata->texture, 0) < 0) {
        return -1;
    }

@@ -1445,13 +1103,13 @@
            return SDL_SetError("Unsupported YUV conversion mode");
        }

        D3D_UpdateTextureScaleMode(data, texturedata, 1);
        D3D_UpdateTextureScaleMode(data, texturedata, 2);
        UpdateTextureScaleMode(data, texturedata, 1);
        UpdateTextureScaleMode(data, texturedata, 2);

        if (D3D_BindTextureRep(data->device, &texturedata->utexture, 1) < 0) {
        if (BindTextureRep(data->device, &texturedata->utexture, 1) < 0) {
            return -1;
        }
        if (D3D_BindTextureRep(data->device, &texturedata->vtexture, 2) < 0) {
        if (BindTextureRep(data->device, &texturedata->vtexture, 2) < 0) {
            return -1;
        }
    }
@@ -1459,192 +1117,331 @@
}

static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
               const SDL_Rect * srcrect, const SDL_FRect * dstrect)
SetDrawState(D3D_RenderData *data, const SDL_RenderCommand *cmd)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    LPDIRECT3DPIXELSHADER9 shader;
    float minx, miny, maxx, maxy;
    float minu, maxu, minv, maxv;
    DWORD color;
    Vertex vertices[4];
    HRESULT result;
    const SDL_bool was_copy_ex = data->drawstate.is_copy_ex;
    const SDL_bool is_copy_ex = (cmd->command == SDL_RENDERCMD_COPY_EX);
    SDL_Texture *texture = cmd->data.draw.texture;
    const SDL_BlendMode blend = cmd->data.draw.blend;

    if (D3D_ActivateRenderer(renderer) < 0) {
        return -1;
    }
    if (texture != data->drawstate.texture) {
        D3D_TextureData *oldtexturedata = data->drawstate.texture ? (D3D_TextureData *) data->drawstate.texture->driverdata : NULL;
        D3D_TextureData *newtexturedata = texture ? (D3D_TextureData *) texture->driverdata : NULL;
        LPDIRECT3DPIXELSHADER9 shader = NULL;

    minx = dstrect->x - 0.5f;
    miny = dstrect->y - 0.5f;
    maxx = dstrect->x + dstrect->w - 0.5f;
    maxy = dstrect->y + dstrect->h - 0.5f;
        /* disable any enabled textures we aren't going to use, let SetupTextureState() do the rest. */
        if (texture == NULL) {
            IDirect3DDevice9_SetTexture(data->device, 0, NULL);
        }
        if ((!newtexturedata || !newtexturedata->yuv) && (oldtexturedata && oldtexturedata->yuv)) {
            IDirect3DDevice9_SetTexture(data->device, 1, NULL);
            IDirect3DDevice9_SetTexture(data->device, 2, NULL);
        }
        if (texture && SetupTextureState(data, texture, &shader) < 0) {
            return -1;
        }

    minu = (float) srcrect->x / texture->w;
    maxu = (float) (srcrect->x + srcrect->w) / texture->w;
    minv = (float) srcrect->y / texture->h;
    maxv = (float) (srcrect->y + srcrect->h) / texture->h;
        if (shader != data->drawstate.shader) {
            const HRESULT result = IDirect3DDevice9_SetPixelShader(data->device, shader);
            if (FAILED(result)) {
                return D3D_SetError("IDirect3DDevice9_SetPixelShader()", result);
            }
            data->drawstate.shader = shader;
        }

    color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);

    vertices[0].x = minx;
    vertices[0].y = miny;
    vertices[0].z = 0.0f;
    vertices[0].color = color;
    vertices[0].u = minu;
    vertices[0].v = minv;

    vertices[1].x = maxx;
    vertices[1].y = miny;
    vertices[1].z = 0.0f;
    vertices[1].color = color;
    vertices[1].u = maxu;
    vertices[1].v = minv;

    vertices[2].x = maxx;
    vertices[2].y = maxy;
    vertices[2].z = 0.0f;
    vertices[2].color = color;
    vertices[2].u = maxu;
    vertices[2].v = maxv;

    vertices[3].x = minx;
    vertices[3].y = maxy;
    vertices[3].z = 0.0f;
    vertices[3].color = color;
    vertices[3].u = minu;
    vertices[3].v = maxv;

    D3D_SetBlendMode(data, texture->blendMode);

    if (D3D_RenderSetupTextureState(renderer, texture, &shader) < 0) {
        return -1;
    }
    
    if (shader) {
        result = IDirect3DDevice9_SetPixelShader(data->device, shader);
        if (FAILED(result)) {
            return D3D_SetError("SetShader()", result);
        data->drawstate.texture = texture;
    } else if (texture) {
        D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
        UpdateDirtyTexture(data->device, &texturedata->texture);
        if (texturedata->yuv) {
            UpdateDirtyTexture(data->device, &texturedata->utexture);
            UpdateDirtyTexture(data->device, &texturedata->vtexture);
        }
    }
    result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
                                              vertices, sizeof(*vertices));
    if (FAILED(result)) {
        D3D_SetError("DrawPrimitiveUP()", result);
    }
    if (shader) {
        IDirect3DDevice9_SetPixelShader(data->device, NULL);
    }
    return FAILED(result) ? -1 : 0;
}

    if (blend != data->drawstate.blend) {
        if (blend == SDL_BLENDMODE_NONE) {
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE, FALSE);
        } else {
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE, TRUE);
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
                                            GetBlendFunc(SDL_GetBlendModeSrcColorFactor(blend)));
            IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
                                            GetBlendFunc(SDL_GetBlendModeDstColorFactor(blend)));
            if (data->enableSeparateAlphaBlend) {
                IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLENDALPHA,
                                                GetBlendFunc(SDL_GetBlendModeSrcAlphaFactor(blend)));
                IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLENDALPHA,
                                                GetBlendFunc(SDL_GetBlendModeDstAlphaFactor(blend)));
            }
        }

        data->drawstate.blend = blend;
    }

    if (is_copy_ex != was_copy_ex) {
        if (!is_copy_ex) {  /* SDL_RENDERCMD_COPY_EX will set this, we only want to reset it here if necessary. */
            const Float4X4 d3dmatrix = MatrixIdentity();
            IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*) &d3dmatrix);
        }
        data->drawstate.is_copy_ex = is_copy_ex;
    }

    if (data->drawstate.viewport_dirty) {
        const SDL_Rect *viewport = &data->drawstate.viewport;
        const D3DVIEWPORT9 d3dviewport = { viewport->x, viewport->y, viewport->w, viewport->h, 0.0f, 1.0f };
        IDirect3DDevice9_SetViewport(data->device, &d3dviewport);

        /* Set an orthographic projection matrix */
        if (viewport->w && viewport->h) {
            D3DMATRIX d3dmatrix;
            SDL_zero(d3dmatrix);
            d3dmatrix.m[0][0] = 2.0f / viewport->w;
            d3dmatrix.m[1][1] = -2.0f / viewport->h;
            d3dmatrix.m[2][2] = 1.0f;
            d3dmatrix.m[3][0] = -1.0f;
            d3dmatrix.m[3][1] = 1.0f;
            d3dmatrix.m[3][3] = 1.0f;
            IDirect3DDevice9_SetTransform(data->device, D3DTS_PROJECTION, &d3dmatrix);
        }

        data->drawstate.viewport_dirty = SDL_FALSE;
    }

    if (data->drawstate.cliprect_enabled_dirty) {
        IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, data->drawstate.cliprect_enabled ? TRUE : FALSE);
        data->drawstate.cliprect_enabled_dirty = SDL_FALSE;
    }

    if (data->drawstate.cliprect_dirty) {
        const SDL_Rect *viewport = &data->drawstate.viewport;
        const SDL_Rect *rect = &data->drawstate.cliprect;
        const RECT d3drect = { viewport->x + rect->x, viewport->y + rect->y, viewport->x + rect->x + rect->w, viewport->y + rect->y + rect->h };
        IDirect3DDevice9_SetScissorRect(data->device, &d3drect);
        data->drawstate.cliprect_dirty = SDL_FALSE;
    }

    return 0;
}

static int
D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
               const SDL_Rect * srcrect, const SDL_FRect * dstrect,
               const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
D3D_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    LPDIRECT3DPIXELSHADER9 shader = NULL;
    float minx, miny, maxx, maxy;
    float minu, maxu, minv, maxv;
    float centerx, centery;
    DWORD color;
    Vertex vertices[4];
    Float4X4 modelMatrix;
    HRESULT result;
    const int vboidx = data->currentVertexBuffer;
    IDirect3DVertexBuffer9 *vbo = NULL;
    const SDL_bool istarget = renderer->target != NULL;
    size_t i;

    if (D3D_ActivateRenderer(renderer) < 0) {
        return -1;
    }

    centerx = center->x;
    centery = center->y;
    /* upload the new VBO data for this set of commands. */
    vbo = data->vertexBuffers[vboidx];
    if (data->vertexBufferSize[vboidx] < vertsize) {
        const DWORD usage = D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY;
        const DWORD fvf = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1;
        if (vbo) {
            IDirect3DVertexBuffer9_Release(vbo);
        }

    minx = -centerx;
    maxx = dstrect->w - centerx;
    miny = -centery;
    maxy = dstrect->h - centery;

    minu = (float) srcrect->x / texture->w;
    maxu = (float) (srcrect->x + srcrect->w) / texture->w;
    minv = (float) srcrect->y / texture->h;
    maxv = (float) (srcrect->y + srcrect->h) / texture->h;

    if (flip & SDL_FLIP_HORIZONTAL) {
        float tmp = maxu;
        maxu = minu;
        minu = tmp;
    }
    if (flip & SDL_FLIP_VERTICAL) {
        float tmp = maxv;
        maxv = minv;
        minv = tmp;
        if (FAILED(IDirect3DDevice9_CreateVertexBuffer(data->device, (UINT) vertsize, usage, fvf, D3DPOOL_DEFAULT, &vbo, NULL))) {
            vbo = NULL;
        }
        data->vertexBuffers[vboidx] = vbo;
        data->vertexBufferSize[vboidx] = vbo ? vertsize : 0;
    }

    color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);

    vertices[0].x = minx;
    vertices[0].y = miny;
    vertices[0].z = 0.0f;
    vertices[0].color = color;
    vertices[0].u = minu;
    vertices[0].v = minv;

    vertices[1].x = maxx;
    vertices[1].y = miny;
    vertices[1].z = 0.0f;
    vertices[1].color = color;
    vertices[1].u = maxu;
    vertices[1].v = minv;

    vertices[2].x = maxx;
    vertices[2].y = maxy;
    vertices[2].z = 0.0f;
    vertices[2].color = color;
    vertices[2].u = maxu;
    vertices[2].v = maxv;

    vertices[3].x = minx;
    vertices[3].y = maxy;
    vertices[3].z = 0.0f;
    vertices[3].color = color;
    vertices[3].u = minu;
    vertices[3].v = maxv;

    D3D_SetBlendMode(data, texture->blendMode);

    if (D3D_RenderSetupTextureState(renderer, texture, &shader) < 0) {
        return -1;
    }

    /* Rotate and translate */
    modelMatrix = MatrixMultiply(
            MatrixRotationZ((float)(M_PI * (float) angle / 180.0f)),
            MatrixTranslation(dstrect->x + center->x - 0.5f, dstrect->y + center->y - 0.5f, 0));
    IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)&modelMatrix);
    
    if (shader) {
        result = IDirect3DDevice9_SetPixelShader(data->device, shader);
        if (FAILED(result)) {
            D3D_SetError("SetShader()", result);
            goto done;
    if (vbo) {
        void *ptr;
        if (FAILED(IDirect3DVertexBuffer9_Lock(vbo, 0, (UINT) vertsize, &ptr, D3DLOCK_DISCARD))) {
            vbo = NULL;  /* oh well, we'll do immediate mode drawing.  :(  */
        } else {
            SDL_memcpy(ptr, vertices, vertsize);
            if (FAILED(IDirect3DVertexBuffer9_Unlock(vbo))) {
                vbo = NULL;  /* oh well, we'll do immediate mode drawing.  :(  */
            }
        }
    }
    result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
                                              vertices, sizeof(*vertices));
    if (FAILED(result)) {
        D3D_SetError("DrawPrimitiveUP()", result);
    }
done:
    if (shader) {
        IDirect3DDevice9_SetPixelShader(data->device, NULL);

    /* cycle through a few VBOs so D3D has some time with the data before we replace it. */
    if (vbo) {
        data->currentVertexBuffer++;
        if (data->currentVertexBuffer >= SDL_arraysize(data->vertexBuffers)) {
            data->currentVertexBuffer = 0;
        }
    } else if (!data->reportedVboProblem) {
        SDL_LogError(SDL_LOG_CATEGORY_RENDER, "SDL failed to get a vertex buffer for this Direct3D 9 rendering batch!");
        SDL_LogError(SDL_LOG_CATEGORY_RENDER, "Dropping back to a slower method.");
        SDL_LogError(SDL_LOG_CATEGORY_RENDER, "This might be a brief hiccup, but if performance is bad, this is probably why.");
        SDL_LogError(SDL_LOG_CATEGORY_RENDER, "This error will not be logged again for this renderer.");
        data->reportedVboProblem = SDL_TRUE;
    }

    modelMatrix = MatrixIdentity();
    IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)&modelMatrix);
    IDirect3DDevice9_SetStreamSource(data->device, 0, vbo, 0, sizeof (Vertex));

    return FAILED(result) ? -1 : 0;
    while (cmd) {
        switch (cmd->command) {
            case SDL_RENDERCMD_SETDRAWCOLOR: {
                /* currently this is sent with each vertex, but if we move to
                   shaders, we can put this in a uniform here and reduce vertex
                   buffer bandwidth */
                break;
            }

            case SDL_RENDERCMD_SETVIEWPORT: {
                SDL_Rect *viewport = &data->drawstate.viewport;
                if (SDL_memcmp(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect)) != 0) {
                    SDL_memcpy(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect));
                    data->drawstate.viewport_dirty = SDL_TRUE;
                }
                break;
            }

            case SDL_RENDERCMD_SETCLIPRECT: {
                const SDL_Rect *rect = &cmd->data.cliprect.rect;
                if (data->drawstate.cliprect_enabled != cmd->data.cliprect.enabled) {
                    data->drawstate.cliprect_enabled = cmd->data.cliprect.enabled;
                    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
                }

                if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
                    SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
                    data->drawstate.cliprect_dirty = SDL_TRUE;
                }
                break;
            }

            case SDL_RENDERCMD_CLEAR: {
                const DWORD color = D3DCOLOR_ARGB(cmd->data.color.a, cmd->data.color.r, cmd->data.color.g, cmd->data.color.b);
                const SDL_Rect *viewport = &data->drawstate.viewport;
                const int backw = istarget ? renderer->target->w : data->pparams.BackBufferWidth;
                const int backh = istarget ? renderer->target->h : data->pparams.BackBufferHeight;

                if (data->drawstate.cliprect_enabled) {
                    IDirect3DDevice9_SetRenderState(data->device, D3DRS_SCISSORTESTENABLE, FALSE);
                    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
                }

                /* Don't reset the viewport if we don't have to! */
                if (!viewport->x && !viewport->y && (viewport->w == backw) && (viewport->h == backh)) {
                    IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);
                } else {
                    /* Clear is defined to clear the entire render target */
                    const D3DVIEWPORT9 wholeviewport = { 0, 0, backw, backh, 0.0f, 1.0f };
                    IDirect3DDevice9_SetViewport(data->device, &wholeviewport);
                    data->drawstate.viewport_dirty = SDL_TRUE;
                    IDirect3DDevice9_Clear(data->device, 0, NULL, D3DCLEAR_TARGET, color, 0.0f, 0);
                }

                break;
            }

            case SDL_RENDERCMD_DRAW_POINTS: {
                const size_t count = cmd->data.draw.count;
                const size_t first = cmd->data.draw.first;
                SetDrawState(data, cmd);
                if (vbo) {
                    IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_POINTLIST, (UINT) (first / sizeof (Vertex)), (UINT) count);
                } else {
                    const Vertex *verts = (Vertex *) (((Uint8 *) vertices) + first);
                    IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, (UINT) count, verts, sizeof (Vertex));
                }
                break;
            }

            case SDL_RENDERCMD_DRAW_LINES: {
                const size_t count = cmd->data.draw.count;
                const size_t first = cmd->data.draw.first;
                const Vertex *verts = (Vertex *) (((Uint8 *) vertices) + first);

                /* DirectX 9 has the same line rasterization semantics as GDI,
                   so we need to close the endpoint of the line with a second draw call. */
                const SDL_bool close_endpoint = ((count == 2) || (verts[0].x != verts[count-1].x) || (verts[0].y != verts[count-1].y));

                SetDrawState(data, cmd);

                if (vbo) {
                    IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_LINESTRIP, (UINT) (first / sizeof (Vertex)), (UINT) (count - 1));
                    if (close_endpoint) {
                        IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_POINTLIST, (UINT) ((first / sizeof (Vertex)) + (count - 1)), 1);
                    }
                } else {
                    IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, (UINT) (count - 1), verts, sizeof (Vertex));
                    if (close_endpoint) {
                        IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, &verts[count-1], sizeof (Vertex));
                    }
                }
                break;
            }

            case SDL_RENDERCMD_FILL_RECTS: {
                const size_t count = cmd->data.draw.count;
                const size_t first = cmd->data.draw.first;
                SetDrawState(data, cmd);
                if (vbo) {
                    size_t offset = 0;
                    for (i = 0; i < count; ++i, offset += 4) {
                        IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_TRIANGLEFAN, (UINT) ((first / sizeof (Vertex)) + offset), 2);
                    }
                } else {
                    const Vertex *verts = (Vertex *) (((Uint8 *) vertices) + first);
                    for (i = 0; i < count; ++i, verts += 4) {
                        IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2, verts, sizeof (Vertex));
                    }
                }
                break;
            }

            case SDL_RENDERCMD_COPY: {
                const size_t count = cmd->data.draw.count;
                const size_t first = cmd->data.draw.first;
                SetDrawState(data, cmd);
                if (vbo) {
                    size_t offset = 0;
                    for (i = 0; i < count; ++i, offset += 4) {
                        IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_TRIANGLEFAN, (UINT) ((first / sizeof (Vertex)) + offset), 2);
                    }
                } else {
                    const Vertex *verts = (Vertex *) (((Uint8 *) vertices) + first);
                    for (i = 0; i < count; ++i, verts += 4) {
                        IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2, verts, sizeof (Vertex));
                    }
                }
                break;
            }

            case SDL_RENDERCMD_COPY_EX: {
                const size_t first = cmd->data.draw.first;
                const Vertex *verts = (Vertex *) (((Uint8 *) vertices) + first);
                const Vertex *transvert = verts + 4;
                const float translatex = transvert->x;
                const float translatey = transvert->y;
                const float rotation = transvert->z;
                const Float4X4 d3dmatrix = MatrixMultiply(MatrixRotationZ(rotation), MatrixTranslation(translatex, translatey, 0));
                SetDrawState(data, cmd);

                IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)&d3dmatrix);

                if (vbo) {
                    IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_TRIANGLEFAN, (UINT) (first / sizeof (Vertex)), 2);
                } else {
                    IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2, verts, sizeof (Vertex));
                }
                break;
            }

            case SDL_RENDERCMD_NO_OP:
                break;
        }

        cmd = cmd->next;
    }

    return 0;
}


static int
D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
@@ -1666,20 +1463,17 @@

    result = IDirect3DSurface9_GetDesc(backBuffer, &desc);
    if (FAILED(result)) {
        IDirect3DSurface9_Release(backBuffer);
        return D3D_SetError("GetDesc()", result);
    }

    result = IDirect3DDevice9_CreateOffscreenPlainSurface(data->device, desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &surface, NULL);
    if (FAILED(result)) {
        IDirect3DSurface9_Release(backBuffer);
        return D3D_SetError("CreateOffscreenPlainSurface()", result);
    }

    result = IDirect3DDevice9_GetRenderTargetData(data->device, backBuffer, surface);
    if (FAILED(result)) {
        IDirect3DSurface9_Release(surface);
        IDirect3DSurface9_Release(backBuffer);
        return D3D_SetError("GetRenderTargetData()", result);
    }

@@ -1691,7 +1485,6 @@
    result = IDirect3DSurface9_LockRect(surface, &locked, &d3drect, D3DLOCK_READONLY);
    if (FAILED(result)) {
        IDirect3DSurface9_Release(surface);
        IDirect3DSurface9_Release(backBuffer);
        return D3D_SetError("LockRect()", result);
    }

@@ -1734,11 +1527,24 @@
static void
D3D_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
    D3D_RenderData *renderdata = (D3D_RenderData *) renderer->driverdata;
    D3D_TextureData *data = (D3D_TextureData *) texture->driverdata;

    if (renderdata->drawstate.texture == texture) {
        renderdata->drawstate.texture = NULL;
        renderdata->drawstate.shader = NULL;
        IDirect3DDevice9_SetPixelShader(renderdata->device, NULL);
        IDirect3DDevice9_SetTexture(renderdata->device, 0, NULL);
        if (data->yuv) {
            IDirect3DDevice9_SetTexture(renderdata->device, 1, NULL);
            IDirect3DDevice9_SetTexture(renderdata->device, 2, NULL);
        }
    }

    if (!data) {
        return;
    }

    D3D_DestroyTextureRep(&data->texture);
    D3D_DestroyTextureRep(&data->utexture);
    D3D_DestroyTextureRep(&data->vtexture);
@@ -1770,6 +1576,13 @@
                data->shaders[i] = NULL;
            }
        }
        /* Release all vertex buffers */
        for (i = 0; i < SDL_arraysize(data->vertexBuffers); ++i) {
            if (data->vertexBuffers[i]) {
                IDirect3DVertexBuffer9_Release(data->vertexBuffers[i]);
            }
            data->vertexBuffers[i] = NULL;
        }
        if (data->device) {
            IDirect3DDevice9_Release(data->device);
            data->device = NULL;
@@ -1782,6 +1595,268 @@
    }
    SDL_free(renderer);
}

static int
D3D_Reset(SDL_Renderer * renderer)
{
    D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
    const Float4X4 d3dmatrix = MatrixIdentity();
    HRESULT result;
    SDL_Texture *texture;
    int i;

    /* Release the default render target before reset */
    if (data->defaultRenderTarget) {
        IDirect3DSurface9_Release(data->defaultRenderTarget);
        data->defaultRenderTarget = NULL;
    }
    if (data->currentRenderTarget != NULL) {
        IDirect3DSurface9_Release(data->currentRenderTarget);
        data->currentRenderTarget = NULL;
    }

    /* Release application render targets */
    for (texture = renderer->textures; texture; texture = texture->next) {
        if (texture->access == SDL_TEXTUREACCESS_TARGET) {
            D3D_DestroyTexture(renderer, texture);
        } else {
            D3D_RecreateTexture(renderer, texture);
        }
    }

    /* Release all vertex buffers */
    for (i = 0; i < SDL_arraysize(data->vertexBuffers); ++i) {
        if (data->vertexBuffers[i]) {
            IDirect3DVertexBuffer9_Release(data->vertexBuffers[i]);
        }
        data->vertexBuffers[i] = NULL;
        data->vertexBufferSize[i] = 0;
    }

    result = IDirect3DDevice9_Reset(data->device, &data->pparams);
    if (FAILED(result)) {
        if (result == D3DERR_DEVICELOST) {
            /* Don't worry about it, we'll reset later... */
            return 0;
        } else {
            return D3D_SetError("Reset()", result);
        }
    }

    /* Allocate application render targets */
    for (texture = renderer->textures; texture; texture = texture->next) {
        if (texture->access == SDL_TEXTUREACCESS_TARGET) {
            D3D_CreateTexture(renderer, texture);
        }
    }

    IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget);
    D3D_InitRenderState(data);
    D3D_SetRenderTargetInternal(renderer, renderer->target);
    data->drawstate.viewport_dirty = SDL_TRUE;
    data->drawstate.cliprect_dirty = SDL_TRUE;
    data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
    data->drawstate.texture = NULL;
    data->drawstate.shader = NULL;
    data->drawstate.blend = SDL_BLENDMODE_INVALID;
    data->drawstate.is_copy_ex = SDL_FALSE;
    IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)&d3dmatrix);

    /* Let the application know that render targets were reset */
    {
        SDL_Event event;
        event.type = SDL_RENDER_TARGETS_RESET;
        SDL_PushEvent(&event);
    }

    return 0;
}

SDL_Renderer *
D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
{
    SDL_Renderer *renderer;
    D3D_RenderData *data;
    SDL_SysWMinfo windowinfo;
    HRESULT result;
    D3DPRESENT_PARAMETERS pparams;
    IDirect3DSwapChain9 *chain;
    D3DCAPS9 caps;
    DWORD device_flags;
    Uint32 window_flags;
    int w, h;
    SDL_DisplayMode fullscreen_mode;
    int displayIndex;

    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
    if (!renderer) {
        SDL_OutOfMemory();
        return NULL;
    }

    data = (D3D_RenderData *) SDL_calloc(1, sizeof(*data));
    if (!data) {
        SDL_free(renderer);
        SDL_OutOfMemory();
        return NULL;
    }

    if (!D3D_LoadDLL(&data->d3dDLL, &data->d3d)) {
        SDL_free(renderer);
        SDL_free(data);
        SDL_SetError("Unable to create Direct3D interface");
        return NULL;
    }

    renderer->WindowEvent = D3D_WindowEvent;
    renderer->SupportsBlendMode = D3D_SupportsBlendMode;
    renderer->CreateTexture = D3D_CreateTexture;
    renderer->UpdateTexture = D3D_UpdateTexture;
    renderer->UpdateTextureYUV = D3D_UpdateTextureYUV;
    renderer->LockTexture = D3D_LockTexture;
    renderer->UnlockTexture = D3D_UnlockTexture;
    renderer->SetTextureScaleMode = D3D_SetTextureScaleMode;
    renderer->SetRenderTarget = D3D_SetRenderTarget;
    renderer->QueueSetViewport = D3D_QueueSetViewport;
    renderer->QueueSetDrawColor = D3D_QueueSetViewport;  /* SetViewport and SetDrawColor are (currently) no-ops. */
    renderer->QueueDrawPoints = D3D_QueueDrawPoints;
    renderer->QueueDrawLines = D3D_QueueDrawPoints;  /* lines and points queue vertices the same way. */
    renderer->QueueFillRects = D3D_QueueFillRects;
    renderer->QueueCopy = D3D_QueueCopy;
    renderer->QueueCopyEx = D3D_QueueCopyEx;
    renderer->RunCommandQueue = D3D_RunCommandQueue;
    renderer->RenderReadPixels = D3D_RenderReadPixels;
    renderer->RenderPresent = D3D_RenderPresent;
    renderer->DestroyTexture = D3D_DestroyTexture;
    renderer->DestroyRenderer = D3D_DestroyRenderer;
    renderer->info = D3D_RenderDriver.info;
    renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
    renderer->driverdata = data;

    SDL_VERSION(&windowinfo.version);
    SDL_GetWindowWMInfo(window, &windowinfo);

    window_flags = SDL_GetWindowFlags(window);
    SDL_GetWindowSize(window, &w, &h);
    SDL_GetWindowDisplayMode(window, &fullscreen_mode);

    SDL_zero(pparams);
    pparams.hDeviceWindow = windowinfo.info.win.window;
    pparams.BackBufferWidth = w;
    pparams.BackBufferHeight = h;
    pparams.BackBufferCount = 1;
    pparams.SwapEffect = D3DSWAPEFFECT_DISCARD;

    if (window_flags & SDL_WINDOW_FULLSCREEN && (window_flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
        pparams.Windowed = FALSE;
        pparams.BackBufferFormat = PixelFormatToD3DFMT(fullscreen_mode.format);
        pparams.FullScreen_RefreshRateInHz = fullscreen_mode.refresh_rate;
    } else {
        pparams.Windowed = TRUE;
        pparams.BackBufferFormat = D3DFMT_UNKNOWN;
        pparams.FullScreen_RefreshRateInHz = 0;
    }
    if (flags & SDL_RENDERER_PRESENTVSYNC) {
        pparams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
    } else {
        pparams.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
    }

    /* Get the adapter for the display that the window is on */
    displayIndex = SDL_GetWindowDisplayIndex(window);
    data->adapter = SDL_Direct3D9GetAdapterIndex(displayIndex);

    IDirect3D9_GetDeviceCaps(data->d3d, data->adapter, D3DDEVTYPE_HAL, &caps);

    device_flags = D3DCREATE_FPU_PRESERVE;
    if (caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
        device_flags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
    } else {
        device_flags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
    }

    if (SDL_GetHintBoolean(SDL_HINT_RENDER_DIRECT3D_THREADSAFE, SDL_FALSE)) {
        device_flags |= D3DCREATE_MULTITHREADED;
    }

    result = IDirect3D9_CreateDevice(data->d3d, data->adapter,
                                     D3DDEVTYPE_HAL,
                                     pparams.hDeviceWindow,
                                     device_flags,
                                     &pparams, &data->device);
    if (FAILED(result)) {
        D3D_DestroyRenderer(renderer);
        D3D_SetError("CreateDevice()", result);
        return NULL;
    }

    /* Get presentation parameters to fill info */
    result = IDirect3DDevice9_GetSwapChain(data->device, 0, &chain);
    if (FAILED(result)) {
        D3D_DestroyRenderer(renderer);
        D3D_SetError("GetSwapChain()", result);
        return NULL;
    }
    result = IDirect3DSwapChain9_GetPresentParameters(chain, &pparams);
    if (FAILED(result)) {
        IDirect3DSwapChain9_Release(chain);
        D3D_DestroyRenderer(renderer);
        D3D_SetError("GetPresentParameters()", result);
        return NULL;
    }
    IDirect3DSwapChain9_Release(chain);
    if (pparams.PresentationInterval == D3DPRESENT_INTERVAL_ONE) {
        renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
    }
    data->pparams = pparams;

    IDirect3DDevice9_GetDeviceCaps(data->device, &caps);
    renderer->info.max_texture_width = caps.MaxTextureWidth;
    renderer->info.max_texture_height = caps.MaxTextureHeight;
    if (caps.NumSimultaneousRTs >= 2) {
        renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
    }

    if (caps.PrimitiveMiscCaps & D3DPMISCCAPS_SEPARATEALPHABLEND) {
        data->enableSeparateAlphaBlend = SDL_TRUE;
    }

    /* Store the default render target */
    IDirect3DDevice9_GetRenderTarget(data->device, 0, &data->defaultRenderTarget);
    data->currentRenderTarget = NULL;

    /* Set up parameters for rendering */
    D3D_InitRenderState(data);

    if (caps.MaxSimultaneousTextures >= 3) {
        int i;
        for (i = 0; i < SDL_arraysize(data->shaders); ++i) {
            result = D3D9_CreatePixelShader(data->device, (D3D9_Shader)i, &data->shaders[i]);
            if (FAILED(result)) {
                D3D_SetError("CreatePixelShader()", result);
            }
        }
        if (data->shaders[SHADER_YUV_JPEG] && data->shaders[SHADER_YUV_BT601] && data->shaders[SHADER_YUV_BT709]) {
            renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_YV12;
            renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
        }
    }

    data->drawstate.blend = SDL_BLENDMODE_INVALID;

    return renderer;
}

SDL_RenderDriver D3D_RenderDriver = {
    D3D_CreateRenderer,
    {
     "direct3d",
     (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE),
     1,
     {SDL_PIXELFORMAT_ARGB8888},
     0,
     0}
};
#endif /* SDL_VIDEO_RENDER_D3D && !SDL_RENDER_DISABLED */

#ifdef __WIN32__