OpenPunk/yuzu
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

GLCache: Support uploading compressed textures to the GPU.

Browse Source 
Compressed texture formats like DXT1, DXT2, DXT3, etc will use this to ease the load on the CPU.
This commit is contained in:
Subv
2018-03-26 21:49:05 -05:00
committed by James Rowe
parent 73eaef9c05
commit 65ea52394b
1 changed files with 17 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View File

@@ -134,8 +134,11 @@ static void AllocateSurfaceTexture(GLuint texture, const FormatTuple& format_tup
cur_state.Apply();
glActiveTexture(GL_TEXTURE0);
glTexImage2D(GL_TEXTURE_2D, 0, format_tuple.internal_format, width, height, 0,
format_tuple.format, format_tuple.type, nullptr);
if (!format_tuple.compressed) {
// Only pre-create the texture for non-compressed textures.
glTexImage2D(GL_TEXTURE_2D, 0, format_tuple.internal_format, width, height, 0,
format_tuple.format, format_tuple.type, nullptr);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@@ -565,9 +568,18 @@ void CachedSurface::UploadGLTexture(const MathUtil::Rectangle<u32>& rect, GLuint
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(stride));
glActiveTexture(GL_TEXTURE0);
glTexSubImage2D(GL_TEXTURE_2D, 0, x0, y0, static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[buffer_offset]);
if (tuple.compressed) {
glCompressedTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format,
static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), 0,
rect.GetWidth() * rect.GetHeight() *
GetGLBytesPerPixel(pixel_format) / tuple.compression_factor,
&gl_buffer[buffer_offset]);
} else {
glTexSubImage2D(GL_TEXTURE_2D, 0, x0, y0, static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[buffer_offset]);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);