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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
View file

@ -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]) {

5
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -266,6 +266,7 @@ private:
static constexpr size_t VERTEX_BUFFER_SIZE = 32 * 1024 * 1024;
static constexpr size_t INDEX_BUFFER_SIZE = 1 * 1024 * 1024;
static constexpr size_t UNIFORM_BUFFER_SIZE = 2 * 1024 * 1024;
static constexpr size_t TEXTURE_BUFFER_SIZE = 1 * 1024 * 1024;
OGLVertexArray sw_vao; // VAO for software shader draw
OGLVertexArray hw_vao; // VAO for hardware shader / accelerate draw
@ -275,6 +276,7 @@ private:
OGLStreamBuffer vertex_buffer;
OGLStreamBuffer uniform_buffer;
OGLStreamBuffer index_buffer;
OGLStreamBuffer texture_buffer;
OGLFramebuffer framebuffer;
GLint uniform_buffer_alignment;
size_t uniform_size_aligned_vs;
@ -283,6 +285,9 @@ private:
SamplerInfo texture_cube_sampler;
OGLTexture texture_buffer_lut_rg;
OGLTexture texture_buffer_lut_rgba;
OGLBuffer lighting_lut_buffer;
OGLTexture lighting_lut;
std::array<std::array<GLvec2, 256>, Pica::LightingRegs::NumLightingSampler> lighting_lut_data{};

2
src/video_core/renderer_opengl/gl_shader_gen.cpp
View file

@ -1222,6 +1222,8 @@ uniform sampler2D tex0;
uniform sampler2D tex1;
uniform sampler2D tex2;
uniform samplerCube tex_cube;
uniform samplerBuffer texture_buffer_lut_rg;
uniform samplerBuffer texture_buffer_lut_rgba;
uniform samplerBuffer lighting_lut;
uniform samplerBuffer fog_lut;
uniform samplerBuffer proctex_noise_lut;

2
src/video_core/renderer_opengl/gl_shader_manager.cpp
View file

@ -55,6 +55,8 @@ static void SetShaderSamplerBindings(GLuint shader) {
SetShaderSamplerBinding(shader, "tex_cube", TextureUnits::TextureCube);
// Set the texture samplers to correspond to different lookup table texture units
SetShaderSamplerBinding(shader, "texture_buffer_lut_rg", TextureUnits::TextureBufferLUT_RG);
SetShaderSamplerBinding(shader, "texture_buffer_lut_rgba", TextureUnits::TextureBufferLUT_RGBA);
SetShaderSamplerBinding(shader, "lighting_lut", TextureUnits::LightingLUT);
SetShaderSamplerBinding(shader, "fog_lut", TextureUnits::FogLUT);
SetShaderSamplerBinding(shader, "proctex_noise_lut", TextureUnits::ProcTexNoiseLUT);

20
src/video_core/renderer_opengl/gl_state.cpp
View file

@ -55,6 +55,9 @@ OpenGLState::OpenGLState() {
texture_cube_unit.texture_cube = 0;
texture_cube_unit.sampler = 0;
texture_buffer_lut_rg.texture_buffer = 0;
texture_buffer_lut_rgba.texture_buffer = 0;
lighting_lut.texture_buffer = 0;
fog_lut.texture_buffer = 0;
@ -221,6 +224,19 @@ void OpenGLState::Apply() const {
glBindSampler(TextureUnits::TextureCube.id, texture_cube_unit.sampler);
}
// Texture buffer LUTs
if (texture_buffer_lut_rg.texture_buffer != cur_state.texture_buffer_lut_rg.texture_buffer) {
glActiveTexture(TextureUnits::TextureBufferLUT_RG.Enum());
glBindTexture(GL_TEXTURE_BUFFER, texture_buffer_lut_rg.texture_buffer);
}
// Texture buffer LUTs
if (texture_buffer_lut_rgba.texture_buffer !=
cur_state.texture_buffer_lut_rgba.texture_buffer) {
glActiveTexture(TextureUnits::TextureBufferLUT_RGBA.Enum());
glBindTexture(GL_TEXTURE_BUFFER, texture_buffer_lut_rgba.texture_buffer);
}
// Lighting LUTs
if (lighting_lut.texture_buffer != cur_state.lighting_lut.texture_buffer) {
glActiveTexture(TextureUnits::LightingLUT.Enum());
@ -374,6 +390,10 @@ OpenGLState& OpenGLState::ResetTexture(GLuint handle) {
}
if (texture_cube_unit.texture_cube == handle)
texture_cube_unit.texture_cube = 0;
if (texture_buffer_lut_rg.texture_buffer == handle)
texture_buffer_lut_rg.texture_buffer = 0;
if (texture_buffer_lut_rgba.texture_buffer == handle)
texture_buffer_lut_rgba.texture_buffer = 0;
if (lighting_lut.texture_buffer == handle)
lighting_lut.texture_buffer = 0;
if (fog_lut.texture_buffer == handle)

10
src/video_core/renderer_opengl/gl_state.h
View file

@ -28,6 +28,8 @@ constexpr TextureUnit ProcTexAlphaMap{7};
constexpr TextureUnit ProcTexLUT{8};
constexpr TextureUnit ProcTexDiffLUT{9};
constexpr TextureUnit TextureCube{10};
constexpr TextureUnit TextureBufferLUT_RG{11};
constexpr TextureUnit TextureBufferLUT_RGBA{12};
} // namespace TextureUnits
@ -103,6 +105,14 @@ public:
GLuint sampler; // GL_SAMPLER_BINDING
} texture_cube_unit;
struct {
GLuint texture_buffer; // GL_TEXTURE_BINDING_BUFFER
} texture_buffer_lut_rg;
struct {
GLuint texture_buffer; // GL_TEXTURE_BINDING_BUFFER
} texture_buffer_lut_rgba;
struct {
GLuint texture_buffer; // GL_TEXTURE_BINDING_BUFFER
} lighting_lut;