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gl_state: Split textures and samplers into two arrays

master
ReinUsesLisp 2019-07-11 01:32:12 +07:00
parent 6170337001
commit 04cdecb7a1
4 changed files with 39 additions and 91 deletions
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9
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -991,7 +991,7 @@ TextureBufferUsage RasterizerOpenGL::SetupDrawTextures(Maxwell::ShaderStage stag
const auto& maxwell3d = gpu.Maxwell3D();
const auto& entries = shader->GetShaderEntries().samplers;
ASSERT_MSG(base_bindings.sampler + entries.size() <= std::size(state.texture_units),
ASSERT_MSG(base_bindings.sampler + entries.size() <= std::size(state.textures),
"Exceeded the number of active textures.");
TextureBufferUsage texture_buffer_usage{0};
@ -1019,16 +1019,15 @@ TextureBufferUsage RasterizerOpenGL::SetupDrawTextures(Maxwell::ShaderStage stag
bool RasterizerOpenGL::SetupTexture(const Shader& shader, u32 binding,
const Tegra::Texture::FullTextureInfo& texture,
const GLShader::SamplerEntry& entry) {
auto& unit{state.texture_units[binding]};
unit.sampler = sampler_cache.GetSampler(texture.tsc);
state.samplers[binding] = sampler_cache.GetSampler(texture.tsc);
const auto view = texture_cache.GetTextureSurface(texture.tic, entry);
if (!view) {
// Can occur when texture addr is null or its memory is unmapped/invalid
unit.texture = 0;
state.textures[binding] = 0;
return false;
}
unit.texture = view->GetTexture();
state.textures[binding] = view->GetTexture();
if (view->GetSurfaceParams().IsBuffer()) {
return true;

99
src/video_core/renderer_opengl/gl_state.cpp
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@ -34,6 +34,25 @@ bool UpdateTie(T1 current_value, const T2 new_value) {
return changed;
}
template <typename T>
std::optional<std::pair<GLuint, GLsizei>> UpdateArray(T& current_values, const T& new_values) {
std::optional<std::size_t> first;
std::size_t last;
for (std::size_t i = 0; i < std::size(current_values); ++i) {
if (!UpdateValue(current_values[i], new_values[i])) {
continue;
}
if (!first) {
first = i;
}
last = i;
}
if (!first) {
return std::nullopt;
}
return std::make_pair(static_cast<GLuint>(*first), static_cast<GLsizei>(last - *first + 1));
}
void Enable(GLenum cap, bool enable) {
if (enable) {
glEnable(cap);
@ -134,10 +153,6 @@ OpenGLState::OpenGLState() {
logic_op.enabled = false;
logic_op.operation = GL_COPY;
for (auto& texture_unit : texture_units) {
texture_unit.Reset();
}
draw.read_framebuffer = 0;
draw.draw_framebuffer = 0;
draw.vertex_array = 0;
@ -496,72 +511,20 @@ void OpenGLState::ApplyAlphaTest() const {
}
void OpenGLState::ApplyTextures() const {
bool has_delta{};
std::size_t first{};
std::size_t last{};
std::array<GLuint, Maxwell::NumTextureSamplers> textures;
for (std::size_t i = 0; i < std::size(texture_units); ++i) {
const auto& texture_unit = texture_units[i];
auto& cur_state_texture_unit = cur_state.texture_units[i];
textures[i] = texture_unit.texture;
if (cur_state_texture_unit.texture == textures[i]) {
continue;
}
cur_state_texture_unit.texture = textures[i];
if (!has_delta) {
first = i;
has_delta = true;
}
last = i;
}
if (has_delta) {
glBindTextures(static_cast<GLuint>(first), static_cast<GLsizei>(last - first + 1),
textures.data() + first);
if (const auto update = UpdateArray(cur_state.textures, textures)) {
glBindTextures(update->first, update->second, textures.data() + update->first);
}
}
void OpenGLState::ApplySamplers() const {
bool has_delta{};
std::size_t first{};
std::size_t last{};
std::array<GLuint, Maxwell::NumTextureSamplers> samplers;
for (std::size_t i = 0; i < std::size(samplers); ++i) {
samplers[i] = texture_units[i].sampler;
if (cur_state.texture_units[i].sampler == texture_units[i].sampler) {
continue;
}
cur_state.texture_units[i].sampler = texture_units[i].sampler;
if (!has_delta) {
first = i;
has_delta = true;
}
last = i;
}
if (has_delta) {
glBindSamplers(static_cast<GLuint>(first), static_cast<GLsizei>(last - first + 1),
samplers.data() + first);
if (const auto update = UpdateArray(cur_state.samplers, samplers)) {
glBindSamplers(update->first, update->second, samplers.data() + update->first);
}
}
void OpenGLState::ApplyImages() const {
bool has_delta{};
std::size_t first{};
std::size_t last{};
for (std::size_t i = 0; i < std::size(images); ++i) {
if (!UpdateValue(cur_state.images[i], images[i])) {
continue;
}
if (!has_delta) {
first = i;
has_delta = true;
}
last = i;
}
if (has_delta) {
glBindImageTextures(static_cast<GLuint>(first), static_cast<GLsizei>(last - first + 1),
images.data() + first);
if (const auto update = UpdateArray(cur_state.images, images)) {
glBindImageTextures(update->first, update->second, images.data() + update->first);
}
}
@ -627,18 +590,18 @@ void OpenGLState::EmulateViewportWithScissor() {
}
OpenGLState& OpenGLState::UnbindTexture(GLuint handle) {
for (auto& unit : texture_units) {
if (unit.texture == handle) {
unit.Unbind();
for (auto& texture : textures) {
if (texture == handle) {
texture = 0;
}
}
return *this;
}
OpenGLState& OpenGLState::ResetSampler(GLuint handle) {
for (auto& unit : texture_units) {
if (unit.sampler == handle) {
unit.sampler = 0;
for (auto& sampler : samplers) {
if (sampler == handle) {
sampler = 0;
}
}
return *this;

18
src/video_core/renderer_opengl/gl_state.h
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@ -118,22 +118,8 @@ public:
GLenum operation;
} logic_op;
// 3 texture units - one for each that is used in PICA fragment shader emulation
struct TextureUnit {
GLuint texture; // GL_TEXTURE_BINDING_2D
GLuint sampler; // GL_SAMPLER_BINDING
void Unbind() {
texture = 0;
}
void Reset() {
Unbind();
sampler = 0;
}
};
std::array<TextureUnit, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_units;
std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> textures{};
std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> samplers{};
std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumImages> images{};
struct {

4
src/video_core/renderer_opengl/renderer_opengl.cpp
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@ -342,7 +342,7 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, right * scale_v),
}};
state.texture_units[0].texture = screen_info.display_texture;
state.textures[0] = screen_info.display_texture;
// Workaround brigthness problems in SMO by enabling sRGB in the final output
// if it has been used in the frame. Needed because of this bug in QT: QTBUG-50987
state.framebuffer_srgb.enabled = OpenGLState::GetsRGBUsed();
@ -352,7 +352,7 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
// Restore default state
state.framebuffer_srgb.enabled = false;
state.texture_units[0].texture = 0;
state.textures[0] = 0;
state.AllDirty();
state.Apply();
// Clear sRGB state for the next frame