ShuriZma
/
duckstation
mirror of https://github.com/stenzek/duckstation
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GPU/OpenGL: Prefer SSBOs over small texel buffers+subimage

This commit is contained in:
Connor McLaughlin 2020-07-08 01:57:51 +10:00
parent 922003ba50
commit 209d7c67e9
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/core/gpu_hw_opengl.cpp
View File

@ -179,7 +179,8 @@ void GPU_HW_OpenGL::SetCapabilities(HostDisplay* host_display)
if (m_max_texture_buffer_size < VRAM_WIDTH * VRAM_HEIGHT)
Log_WarningPrintf("Maximum texture buffer size is less than VRAM size, VRAM writes may be slower.");
}
else
if (!m_supports_texture_buffer || m_max_texture_buffer_size < VRAM_WIDTH * VRAM_HEIGHT)
{
// Try SSBOs.
GLint64 max_ssbo_size = 0;
@ -838,7 +839,7 @@ void GPU_HW_OpenGL::UpdateVRAM(u32 x, u32 y, u32 width, u32 height, const void*
// update texture data
glTexSubImage2D(GL_TEXTURE_2D, 0, x, flipped_y, width, height, GL_RGBA, GL_UNSIGNED_BYTE,
reinterpret_cast<void*>(map_result.index_aligned * sizeof(u32)));
reinterpret_cast<void*>(map_result.buffer_offset));
m_texture_stream_buffer->Unbind();
if (m_resolution_scale > 1)