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Metal fixes

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This commit is contained in:
luboslenco
2025-07-21 14:50:04 +02:00
parent 2313ce88b1
commit 99d6ba04c3
1 changed files with 12 additions and 2 deletions
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base/sources/backends/metal_gpu.m
+12 -2
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@@ -31,6 +31,7 @@ static gpu_texture_t *current_textures[GPU_MAX_TEXTURES] = {
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static void *readback_buffer;
static int readback_buffer_size = 0;
static MTLBlendFactor convert_blending_factor(gpu_blending_factor_t factor) {
switch (factor) {
@@ -358,9 +359,18 @@ void gpu_set_index_buffer(gpu_buffer_t *buffer) {
void gpu_get_render_target_pixels(gpu_texture_t *render_target, uint8_t *data) {
gpu_execute_and_wait();
if (readback_buffer == NULL) {
NSUInteger buffer_size = render_target->width * render_target->height * format_byte_size(render_target->format);
int new_readback_buffer_size = buffer_size;
if (new_readback_buffer_size < (2048 * 2048 * 4)) {
new_readback_buffer_size = (2048 * 2048 * 4);
}
if (readback_buffer_size < new_readback_buffer_size) {
readback_buffer_size = new_readback_buffer_size;
if (readback_buffer != NULL) {
id<MTLTexture> readback = (__bridge_transfer id<MTLTexture>)readback_buffer;
readback = nil;
}
id<MTLDevice> device = getMetalDevice();
NSUInteger buffer_size = render_target->width * render_target->height * format_byte_size(render_target->format);
readback_buffer = (__bridge_retained void *)[device newBufferWithLength:buffer_size options:MTLResourceStorageModeShared];
}