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Change the batch if the color scale changes

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The color scale is a shader constant so it can be applied in linear space
This commit is contained in:
Sam Lantinga
2025-11-09 15:01:37 -08:00
parent d29f368ca8
commit 4e5ba722fd
5 changed files with 28 additions and 8 deletions
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4
src/render/gpu/SDL_render_gpu.c
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@@ -1247,6 +1247,7 @@ static bool GPU_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd,
// let's group non joined lines
SDL_RenderCommand *finalcmd = cmd;
SDL_RenderCommand *nextcmd;
float thiscolorscale = cmd->data.draw.color_scale;
SDL_BlendMode thisblend = cmd->data.draw.blend;
SDL_GPURenderState *thisrenderstate = cmd->data.draw.gpu_render_state;
@@ -1261,6 +1262,7 @@ static bool GPU_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd,
} else if (nextcmd->data.draw.count != 2) {
break; // can't go any further on this draw call, those are joined lines
} else if (nextcmd->data.draw.blend != thisblend ||
nextcmd->data.draw.color_scale != thiscolorscale ||
nextcmd->data.draw.gpu_render_state != thisrenderstate) {
break; // can't go any further on this draw call, different blendmode copy up next.
} else {
@@ -1280,6 +1282,7 @@ static bool GPU_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd,
{
/* as long as we have the same copy command in a row, with the
same texture, we can combine them all into a single draw call. */
float thiscolorscale = cmd->data.draw.color_scale;
SDL_Texture *thistexture = cmd->data.draw.texture;
SDL_BlendMode thisblend = cmd->data.draw.blend;
SDL_ScaleMode thisscalemode = cmd->data.draw.texture_scale_mode;
@@ -1305,6 +1308,7 @@ static bool GPU_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd,
nextcmd->data.draw.texture_address_mode_u != thisaddressmode_u ||
nextcmd->data.draw.texture_address_mode_v != thisaddressmode_v ||
nextcmd->data.draw.blend != thisblend ||
nextcmd->data.draw.color_scale != thiscolorscale ||
nextcmd->data.draw.gpu_render_state != thisrenderstate) {
break; // can't go any further on this draw call, different texture/blendmode copy up next.
} else {