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Re-enable line drawing path in render drivers

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This is still used for scaled line drawing in RenderDrawLinesWithRects()
This commit is contained in:
Sam Lantinga 2022-01-08 09:02:25 -08:00
parent dca281e810
commit 18e4d9fed1
7 changed files with 301 additions and 12 deletions
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13
src/render/direct3d11/SDL_render_d3d11.c
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@ -2122,8 +2122,18 @@ D3D11_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
break;
}
case SDL_RENDERCMD_DRAW_LINES: /* unused */
case SDL_RENDERCMD_DRAW_LINES: {
const size_t count = cmd->data.draw.count;
const size_t first = cmd->data.draw.first;
const size_t start = first / sizeof (VertexPositionColor);
const VertexPositionColor *verts = (VertexPositionColor *) (((Uint8 *) vertices) + first);
D3D11_SetDrawState(renderer, cmd, rendererData->pixelShaders[SHADER_SOLID], 0, NULL, NULL, NULL);
D3D11_DrawPrimitives(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, start, count);
if (verts[0].pos.x != verts[count - 1].pos.x || verts[0].pos.y != verts[count - 1].pos.y) {
D3D11_DrawPrimitives(renderer, D3D11_PRIMITIVE_TOPOLOGY_POINTLIST, start + (count-1), 1);
}
break;
}
case SDL_RENDERCMD_FILL_RECTS: /* unused */
break;
@ -2376,6 +2386,7 @@ D3D11_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueueSetViewport = D3D11_QueueSetViewport;
renderer->QueueSetDrawColor = D3D11_QueueSetViewport; /* SetViewport and SetDrawColor are (currently) no-ops. */
renderer->QueueDrawPoints = D3D11_QueueDrawPoints;
renderer->QueueDrawLines = D3D11_QueueDrawPoints; /* lines and points queue vertices the same way. */
renderer->QueueGeometry = D3D11_QueueGeometry;
renderer->RunCommandQueue = D3D11_RunCommandQueue;
renderer->RenderReadPixels = D3D11_RenderReadPixels;