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renderer_opengl: Create shared texture buffer.

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This commit is contained in:
Markus Wick
2018-05-19 12:54:50 +02:00
parent 298ebe3752
commit a8396cdbed
6 changed files with 58 additions and 1 deletions
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20
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@@ -37,7 +37,8 @@ MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100,
RasterizerOpenGL::RasterizerOpenGL()
: shader_dirty(true), vertex_buffer(GL_ARRAY_BUFFER, VERTEX_BUFFER_SIZE),
uniform_buffer(GL_UNIFORM_BUFFER, UNIFORM_BUFFER_SIZE),
index_buffer(GL_ELEMENT_ARRAY_BUFFER, INDEX_BUFFER_SIZE) {
index_buffer(GL_ELEMENT_ARRAY_BUFFER, INDEX_BUFFER_SIZE),
texture_buffer(GL_TEXTURE_BUFFER, TEXTURE_BUFFER_SIZE) {
allow_shadow = GLAD_GL_ARB_shader_image_load_store && GLAD_GL_ARB_shader_image_size &&
GLAD_GL_ARB_framebuffer_no_attachments;
@@ -125,6 +126,17 @@ RasterizerOpenGL::RasterizerOpenGL()
// Create render framebuffer
framebuffer.Create();
// Allocate and bind texture buffer lut textures
texture_buffer_lut_rg.Create();
texture_buffer_lut_rgba.Create();
state.texture_buffer_lut_rg.texture_buffer = texture_buffer_lut_rg.handle;
state.texture_buffer_lut_rgba.texture_buffer = texture_buffer_lut_rgba.handle;
state.Apply();
glActiveTexture(TextureUnits::TextureBufferLUT_RG.Enum());
glTexBuffer(GL_TEXTURE_BUFFER, GL_RG32F, texture_buffer.GetHandle());
glActiveTexture(TextureUnits::TextureBufferLUT_RGBA.Enum());
glTexBuffer(GL_TEXTURE_BUFFER, GL_RGBA32F, texture_buffer.GetHandle());
// Allocate and bind lighting lut textures
lighting_lut.Create();
state.lighting_lut.texture_buffer = lighting_lut.handle;
@@ -1931,6 +1943,12 @@ void RasterizerOpenGL::SyncShadowBias() {
}
void RasterizerOpenGL::SyncAndUploadLUTs() {
constexpr size_t max_size = sizeof(GLvec2) * 256 * Pica::LightingRegs::NumLightingSampler +
sizeof(GLvec2) * 128 + // fog
sizeof(GLvec2) * 128 * 3 + // proctex: noise + color + alpha
sizeof(GLvec4) * 256 + // proctex
sizeof(GLvec4) * 256; // proctex diff
// Sync the lighting luts
for (unsigned index = 0; index < uniform_block_data.lut_dirty.size(); index++) {
if (uniform_block_data.lut_dirty[index]) {