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gl_rasterizer: Use the shared texture buffer for the fog lut.

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This commit is contained in:
Markus Wick
2018-05-19 15:16:49 +02:00
parent 4679487640
commit 63fb7dcc1b
6 changed files with 8 additions and 36 deletions
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21
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@@ -135,16 +135,6 @@ RasterizerOpenGL::RasterizerOpenGL()
glActiveTexture(TextureUnits::TextureBufferLUT_RGBA.Enum());
glTexBuffer(GL_TEXTURE_BUFFER, GL_RGBA32F, texture_buffer.GetHandle());
// Setup the LUT for the fog
fog_lut.Create();
state.fog_lut.texture_buffer = fog_lut.handle;
state.Apply();
fog_lut_buffer.Create();
glBindBuffer(GL_TEXTURE_BUFFER, fog_lut_buffer.handle);
glBufferData(GL_TEXTURE_BUFFER, sizeof(GLfloat) * 2 * 128, nullptr, GL_DYNAMIC_DRAW);
glActiveTexture(TextureUnits::FogLUT.Enum());
glTexBuffer(GL_TEXTURE_BUFFER, GL_RG32F, fog_lut_buffer.handle);
// Setup the noise LUT for proctex
proctex_noise_lut.Create();
state.proctex_noise_lut.texture_buffer = proctex_noise_lut.handle;
@@ -1978,7 +1968,7 @@ void RasterizerOpenGL::SyncAndUploadLUTs() {
uniform_block_data.lighting_lut_dirty_any = false;
// Sync the fog lut
if (uniform_block_data.fog_lut_dirty) {
if (uniform_block_data.fog_lut_dirty || invalidate) {
std::array<GLvec2, 128> new_data;
std::transform(Pica::g_state.fog.lut.begin(), Pica::g_state.fog.lut.end(), new_data.begin(),
@@ -1986,11 +1976,12 @@ void RasterizerOpenGL::SyncAndUploadLUTs() {
return GLvec2{entry.ToFloat(), entry.DiffToFloat()};
});
if (new_data != fog_lut_data) {
if (new_data != fog_lut_data || invalidate) {
fog_lut_data = new_data;
glBindBuffer(GL_TEXTURE_BUFFER, fog_lut_buffer.handle);
glBufferSubData(GL_TEXTURE_BUFFER, 0, new_data.size() * sizeof(GLvec2),
new_data.data());
std::memcpy(buffer + bytes_used, new_data.data(), new_data.size() * sizeof(GLvec2));
uniform_block_data.data.fog_lut_offset = (offset + bytes_used) / sizeof(GLvec2);
uniform_block_data.dirty = true;
bytes_used += new_data.size() * sizeof(GLvec2);
}
uniform_block_data.fog_lut_dirty = false;
}