Implemented Direct3D line and point drawing
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403394
This commit is contained in:
Sam Lantinga
parent
bfbe8d8488
commit
1b875a5a28
1 changed files with 185 additions and 46 deletions
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@ -62,6 +62,9 @@ static int D3D_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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static void D3D_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static void D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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int numrects, const SDL_Rect * rects);
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static int D3D_RenderPoint(SDL_Renderer * renderer, int x, int y);
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static int D3D_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
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int y2);
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static int D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
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static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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@ -283,6 +286,8 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
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renderer->LockTexture = D3D_LockTexture;
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renderer->UnlockTexture = D3D_UnlockTexture;
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renderer->DirtyTexture = D3D_DirtyTexture;
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renderer->RenderPoint = D3D_RenderPoint;
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renderer->RenderLine = D3D_RenderLine;
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renderer->RenderFill = D3D_RenderFill;
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renderer->RenderCopy = D3D_RenderCopy;
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renderer->RenderPresent = D3D_RenderPresent;
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@ -706,11 +711,48 @@ D3D_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
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}
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}
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static void
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D3D_SetBlendMode(D3D_RenderData *data, int blendMode)
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{
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switch (blendMode) {
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case SDL_BLENDMODE_NONE:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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FALSE);
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break;
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case SDL_BLENDMODE_MASK:
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case SDL_BLENDMODE_BLEND:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_SRCALPHA);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_INVSRCALPHA);
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break;
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case SDL_BLENDMODE_ADD:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_SRCALPHA);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_ONE);
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break;
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case SDL_BLENDMODE_MOD:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_ZERO);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_SRCCOLOR);
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break;
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}
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}
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static int
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D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
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D3D_RenderPoint(SDL_Renderer * renderer, int x, int y)
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{
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D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
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D3DRECT d3drect;
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DWORD color;
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Vertex vertices[1];
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HRESULT result;
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if (data->beginScene) {
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@ -718,19 +760,146 @@ D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
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data->beginScene = SDL_FALSE;
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}
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d3drect.x1 = rect->x;
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d3drect.x2 = rect->x + rect->w;
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d3drect.y1 = rect->y;
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d3drect.y2 = rect->y + rect->h;
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color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
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result =
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IDirect3DDevice9_Clear(data->device, 1, &d3drect, D3DCLEAR_TARGET,
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D3DCOLOR_ARGB(renderer->a,
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renderer->r,
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renderer->g,
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renderer->b), 1.0f, 0);
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vertices[0].x = (float) x - 0.5f;
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vertices[0].y = (float) y - 0.5f;
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vertices[0].z = 0.0f;
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vertices[0].rhw = 1.0f;
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vertices[0].color = color;
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vertices[0].u = 0.0f;
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vertices[0].v = 0.0f;
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D3D_SetBlendMode(data, renderer->blendMode);
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result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
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if (FAILED(result)) {
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D3D_SetError("Clear()", result);
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D3D_SetError("SetTexture()", result);
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return -1;
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}
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result =
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IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1,
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vertices, sizeof(*vertices));
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if (FAILED(result)) {
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D3D_SetError("DrawPrimitiveUP()", result);
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return -1;
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}
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return 0;
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}
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static int
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D3D_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
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{
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D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
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DWORD color;
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Vertex vertices[2];
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HRESULT result;
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if (data->beginScene) {
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IDirect3DDevice9_BeginScene(data->device);
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data->beginScene = SDL_FALSE;
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}
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color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
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vertices[0].x = (float) x1 - 0.5f;
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vertices[0].y = (float) y1 - 0.5f;
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vertices[0].z = 0.0f;
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vertices[0].rhw = 1.0f;
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vertices[0].color = color;
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vertices[0].u = 0.0f;
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vertices[0].v = 0.0f;
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vertices[1].x = (float) x2 - 0.5f;
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vertices[1].y = (float) y2 - 0.5f;
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vertices[1].z = 0.0f;
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vertices[1].rhw = 1.0f;
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vertices[1].color = color;
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vertices[1].u = 0.0f;
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vertices[1].v = 0.0f;
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D3D_SetBlendMode(data, renderer->blendMode);
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result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
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if (FAILED(result)) {
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D3D_SetError("SetTexture()", result);
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return -1;
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}
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result =
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IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINELIST, 1,
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vertices, sizeof(*vertices));
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if (FAILED(result)) {
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D3D_SetError("DrawPrimitiveUP()", result);
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return -1;
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}
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return 0;
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}
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static int
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D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
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{
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D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
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float minx, miny, maxx, maxy;
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DWORD color;
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Vertex vertices[4];
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HRESULT result;
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if (data->beginScene) {
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IDirect3DDevice9_BeginScene(data->device);
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data->beginScene = SDL_FALSE;
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}
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minx = (float) rect->x - 0.5f;
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miny = (float) rect->y - 0.5f;
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maxx = (float) rect->x + rect->w - 0.5f;
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maxy = (float) rect->y + rect->h - 0.5f;
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color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
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vertices[0].x = minx;
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vertices[0].y = miny;
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vertices[0].z = 0.0f;
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vertices[0].rhw = 1.0f;
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vertices[0].color = color;
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vertices[0].u = 0.0f;
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vertices[0].v = 0.0f;
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vertices[1].x = maxx;
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vertices[1].y = miny;
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vertices[1].z = 0.0f;
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vertices[1].rhw = 1.0f;
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vertices[1].color = color;
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vertices[1].u = 0.0f;
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vertices[1].v = 0.0f;
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vertices[2].x = maxx;
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vertices[2].y = maxy;
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vertices[2].z = 0.0f;
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vertices[2].rhw = 1.0f;
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vertices[2].color = color;
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vertices[2].u = 0.0f;
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vertices[2].v = 0.0f;
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vertices[3].x = minx;
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vertices[3].y = maxy;
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vertices[3].z = 0.0f;
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vertices[3].rhw = 1.0f;
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vertices[3].color = color;
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vertices[3].u = 0.0f;
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vertices[3].v = 0.0f;
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D3D_SetBlendMode(data, renderer->blendMode);
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result = IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)0);
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if (FAILED(result)) {
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D3D_SetError("SetTexture()", result);
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return -1;
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}
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result =
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IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
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vertices, sizeof(*vertices));
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if (FAILED(result)) {
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D3D_SetError("DrawPrimitiveUP()", result);
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return -1;
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}
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return 0;
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@ -797,37 +966,7 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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vertices[3].u = minu;
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vertices[3].v = maxv;
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switch (texture->blendMode) {
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case SDL_BLENDMODE_NONE:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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FALSE);
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break;
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case SDL_BLENDMODE_MASK:
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case SDL_BLENDMODE_BLEND:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_SRCALPHA);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_INVSRCALPHA);
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break;
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case SDL_BLENDMODE_ADD:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_SRCALPHA);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_ONE);
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break;
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case SDL_BLENDMODE_MOD:
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_ALPHABLENDENABLE,
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TRUE);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_SRCBLEND,
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D3DBLEND_ZERO);
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IDirect3DDevice9_SetRenderState(data->device, D3DRS_DESTBLEND,
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D3DBLEND_SRCCOLOR);
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break;
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}
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D3D_SetBlendMode(data, texture->blendMode);
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switch (texture->scaleMode) {
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case SDL_TEXTURESCALEMODE_NONE:
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