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

View File

@ -2518,7 +2518,7 @@ D3D11_RenderDrawPoints(SDL_Renderer * renderer,
vertices = SDL_stack_alloc(VertexPositionColor, count); vertices = SDL_stack_alloc(VertexPositionColor, count);
for (i = 0; i < count; ++i) { 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; vertices[i] = v;
} }
@ -2557,7 +2557,7 @@ D3D11_RenderDrawLines(SDL_Renderer * renderer,
vertices = SDL_stack_alloc(VertexPositionColor, count); vertices = SDL_stack_alloc(VertexPositionColor, count);
for (i = 0; i < count; ++i) { 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; vertices[i] = v;
} }
@ -2576,6 +2576,7 @@ D3D11_RenderDrawLines(SDL_Renderer * renderer,
NULL); NULL);
D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, count); D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, count);
D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_POINTLIST, count);
SDL_stack_free(vertices); SDL_stack_free(vertices);
return 0; return 0;
} }