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[Raylib Render] Dont call malloc and Free every frame so much

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__hexmaster111 2025-03-03 16:04:07 -06:00 committed by GitHub
parent 02bce89d17
commit 3612431e82
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GPG Key ID: B5690EEEBB952194
1 changed files with 28 additions and 6 deletions
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34
renderers/raylib/clay_renderer_raylib.c
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@ -122,6 +122,19 @@ void Clay_Raylib_Initialize(int width, int height, const char *title, unsigned i
// EnableEventWaiting();
}
// A MALLOC'd buffer, that we keep modifying inorder to save from so many Malloc and Free Calls.
// Call Clay_Raylib_Close() to free
static char *temp_render_buffer = NULL;
static int temp_render_buffer_len = 0;
// Call after closing the window to clean up the render buffer
void Clay_Raylib_Close()
{
if(temp_render_buffer) free(temp_render_buffer);
temp_render_buffer_len = 0;
}
void Clay_Raylib_Render(Clay_RenderCommandArray renderCommands, Font* fonts)
{
for (int j = 0; j < renderCommands.length; j++)
@ -131,14 +144,23 @@ void Clay_Raylib_Render(Clay_RenderCommandArray renderCommands, Font* fonts)
switch (renderCommand->commandType)
{
case CLAY_RENDER_COMMAND_TYPE_TEXT: {
// Raylib uses standard C strings so isn't compatible with cheap slices, we need to clone the string to append null terminator
Clay_TextRenderData *textData = &renderCommand->renderData.text;
char *cloned = (char *)malloc(textData->stringContents.length + 1);
memcpy(cloned, textData->stringContents.chars, textData->stringContents.length);
cloned[textData->stringContents.length] = '\0';
Font fontToUse = fonts[textData->fontId];
DrawTextEx(fontToUse, cloned, (Vector2){boundingBox.x, boundingBox.y}, (float)textData->fontSize, (float)textData->letterSpacing, CLAY_COLOR_TO_RAYLIB_COLOR(textData->textColor));
free(cloned);
int strlen = textData->stringContents.length + 1;
if(strlen > temp_render_buffer_len) {
// Grow the temp buffer if we need a larger string
if(temp_render_buffer) free(temp_render_buffer);
temp_render_buffer = malloc(strlen);
temp_render_buffer_len = strlen;
}
// Raylib uses standard C strings so isn't compatible with cheap slices, we need to clone the string to append null terminator
memcpy(temp_render_buffer, textData->stringContents.chars, textData->stringContents.length);
temp_render_buffer[textData->stringContents.length] = '\0';
DrawTextEx(fontToUse, temp_render_buffer, (Vector2){boundingBox.x, boundingBox.y}, (float)textData->fontSize, (float)textData->letterSpacing, CLAY_COLOR_TO_RAYLIB_COLOR(textData->textColor));
break;
}
case CLAY_RENDER_COMMAND_TYPE_IMAGE: {