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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
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5
src/core/gpu_hw_opengl.cpp
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@ -179,7 +179,8 @@ void GPU_HW_OpenGL::SetCapabilities(HostDisplay* host_display)
if (m_max_texture_buffer_size < VRAM_WIDTH * VRAM_HEIGHT) 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."); 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. // Try SSBOs.
GLint64 max_ssbo_size = 0; 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 // update texture data
glTexSubImage2D(GL_TEXTURE_2D, 0, x, flipped_y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, 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(); m_texture_stream_buffer->Unbind();
if (m_resolution_scale > 1) if (m_resolution_scale > 1)