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Fixed bug 2421 for D3D11 - SDL_RenderCopyEx off by one when rotating by 90 and -90. 

Nader Golbaz

Updated patch for direct3d renderers
This commit is contained in:
Sam Lantinga 2016-11-06 08:47:40 -08:00
parent 4ed4997cc4
commit 330e2952d8
1 changed files with 3 additions and 2 deletions
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5
src/render/direct3d11/SDL_render_d3d11.c
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@ -2518,7 +2518,7 @@ D3D11_RenderDrawPoints(SDL_Renderer * renderer,
vertices = SDL_stack_alloc(VertexPositionColor, count);
for (i = 0; i < count; ++i) {
const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
const VertexPositionColor v = { { points[i].x + 0.5f, points[i].y + 0.5f, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
vertices[i] = v;
}
@ -2557,7 +2557,7 @@ D3D11_RenderDrawLines(SDL_Renderer * renderer,
vertices = SDL_stack_alloc(VertexPositionColor, count);
for (i = 0; i < count; ++i) {
const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
const VertexPositionColor v = { { points[i].x + 0.5f, points[i].y + 0.5f, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } };
vertices[i] = v;
}
@ -2576,6 +2576,7 @@ D3D11_RenderDrawLines(SDL_Renderer * renderer,
NULL);
D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, count);
D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_POINTLIST, count);
SDL_stack_free(vertices);
return 0;
}