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Merge commit '3d99d31026bb69e208ac82c30c67e62ca1333141' into main

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This commit is contained in:
Sam Lantinga 2022-10-18 09:21:40 -07:00
commit 66226f6520
3 changed files with 29 additions and 8 deletions
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27
src/render/SDL_render.c
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@ -552,6 +552,7 @@ QueueCmdFillRects(SDL_Renderer *renderer, const SDL_FRect * rects, const int cou
const int num_indices = 6 * count; const int num_indices = 6 * count;
const int size_indices = 4; const int size_indices = 4;
int cur_indice = 0; int cur_indice = 0;
const int *rect_indice_list = renderer->rect_indice_list;
for (i = 0; i < count; ++i) { for (i = 0; i < count; ++i) {
float minx, miny, maxx, maxy; float minx, miny, maxx, maxy;
@ -570,12 +571,12 @@ QueueCmdFillRects(SDL_Renderer *renderer, const SDL_FRect * rects, const int cou
*ptr_xy++ = minx; *ptr_xy++ = minx;
*ptr_xy++ = maxy; *ptr_xy++ = maxy;
*ptr_indices++ = cur_indice + 0; *ptr_indices++ = cur_indice + rect_indice_list[0];
*ptr_indices++ = cur_indice + 1; *ptr_indices++ = cur_indice + rect_indice_list[1];
*ptr_indices++ = cur_indice + 2; *ptr_indices++ = cur_indice + rect_indice_list[2];
*ptr_indices++ = cur_indice + 0; *ptr_indices++ = cur_indice + rect_indice_list[3];
*ptr_indices++ = cur_indice + 2; *ptr_indices++ = cur_indice + rect_indice_list[4];
*ptr_indices++ = cur_indice + 3; *ptr_indices++ = cur_indice + rect_indice_list[5];
cur_indice += 4; cur_indice += 4;
} }
@ -1062,6 +1063,16 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
renderer->dpi_scale.x = 1.0f; renderer->dpi_scale.x = 1.0f;
renderer->dpi_scale.y = 1.0f; renderer->dpi_scale.y = 1.0f;
/* Default value, if not specified by the renderer back-end */
if (renderer->rect_indice_list[0] == 0 && renderer->rect_indice_list[1] == 0) {
renderer->rect_indice_list[0] = 0;
renderer->rect_indice_list[1] = 1;
renderer->rect_indice_list[2] = 2;
renderer->rect_indice_list[3] = 0;
renderer->rect_indice_list[4] = 2;
renderer->rect_indice_list[5] = 3;
}
/* new textures start at zero, so we start at 1 so first render doesn't flush by accident. */ /* new textures start at zero, so we start at 1 so first render doesn't flush by accident. */
renderer->render_command_generation = 1; renderer->render_command_generation = 1;
@ -3523,7 +3534,7 @@ SDL_RenderCopyF(SDL_Renderer * renderer, SDL_Texture * texture,
float uv[8]; float uv[8];
const int uv_stride = 2 * sizeof (float); const int uv_stride = 2 * sizeof (float);
const int num_vertices = 4; const int num_vertices = 4;
const int indices[6] = {0, 1, 2, 0, 2, 3}; const int *indices = renderer->rect_indice_list;
const int num_indices = 6; const int num_indices = 6;
const int size_indices = 4; const int size_indices = 4;
float minu, minv, maxu, maxv; float minu, minv, maxu, maxv;
@ -3671,7 +3682,7 @@ SDL_RenderCopyExF(SDL_Renderer * renderer, SDL_Texture * texture,
float uv[8]; float uv[8];
const int uv_stride = 2 * sizeof (float); const int uv_stride = 2 * sizeof (float);
const int num_vertices = 4; const int num_vertices = 4;
const int indices[6] = {0, 1, 2, 0, 2, 3}; const int *indices = renderer->rect_indice_list;
const int num_indices = 6; const int num_indices = 6;
const int size_indices = 4; const int size_indices = 4;
float minu, minv, maxu, maxv; float minu, minv, maxu, maxv;

3
src/render/SDL_sysrender.h
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@ -248,6 +248,9 @@ struct SDL_Renderer
/* The method of drawing lines */ /* The method of drawing lines */
SDL_RenderLineMethod line_method; SDL_RenderLineMethod line_method;
/* List of triangle indices to draw rects */
int rect_indice_list[6];
/* Remainder from scaled relative motion */ /* Remainder from scaled relative motion */
float xrel; float xrel;
float yrel; float yrel;

7
src/render/opengl/SDL_render_gl.c
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@ -1932,6 +1932,13 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_UYVY; renderer->info.texture_formats[renderer->info.num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
#endif #endif
renderer->rect_indice_list[0] = 0;
renderer->rect_indice_list[1] = 1;
renderer->rect_indice_list[2] = 3;
renderer->rect_indice_list[3] = 1;
renderer->rect_indice_list[4] = 3;
renderer->rect_indice_list[5] = 2;
if (SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object")) { if (SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object")) {
data->GL_EXT_framebuffer_object_supported = SDL_TRUE; data->GL_EXT_framebuffer_object_supported = SDL_TRUE;
data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC) data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)