this repo has no description
Added initialization (clearing) of new image in GPU_CreateImage() so it doesn't have arbitrary GPU garbage in it.
+18
-3
+18
-3
SDL_gpu/GL_common/SDL_gpu_GL_common.inl
+18
-3
SDL_gpu/GL_common/SDL_gpu_GL_common.inl
···
741
741
742
742
static void changeCamera(GPU_Target* target)
743
743
{
744
-
GPU_CONTEXT_DATA* cdata = (GPU_CONTEXT_DATA*)GPU_GetContextTarget()->context->data;
744
+
//GPU_CONTEXT_DATA* cdata = (GPU_CONTEXT_DATA*)GPU_GetContextTarget()->context->data;
745
745
746
746
//if(cdata->last_camera_target != target || !equal_cameras(cdata->last_camera, target->camera))
747
747
{
···
1600
1600
h = getNearestPowerOf2(h);
1601
1601
}
1602
1602
1603
-
// Initialize texture
1603
+
// Initialize texture using a blank buffer
1604
+
static unsigned char* zero_buffer = NULL;
1605
+
static unsigned int zero_buffer_size = 0;
1606
+
if(zero_buffer_size < w*h*result->channels)
1607
+
{
1608
+
free(zero_buffer);
1609
+
zero_buffer_size = w*h*result->channels;
1610
+
zero_buffer = (unsigned char*)malloc(zero_buffer_size);
1611
+
memset(zero_buffer, 0, zero_buffer_size);
1612
+
}
1613
+
1614
+
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
1615
+
#ifdef SDL_GPU_USE_OPENGL
1616
+
glPixelStorei(GL_UNPACK_ROW_LENGTH, w);
1617
+
#endif
1618
+
1604
1619
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, w, h, 0,
1605
-
internal_format, GL_UNSIGNED_BYTE, NULL);
1620
+
internal_format, GL_UNSIGNED_BYTE, zero_buffer);
1606
1621
// Tell SDL_gpu what we got.
1607
1622
result->texture_w = w;
1608
1623
result->texture_h = h;