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Merge pull request #1693 from Tinob/master 

Missing ogl states
merge-requests/60/head
bunnei 2018-11-18 19:59:10 +07:00 committed by GitHub
parent 5e6ad795cc 4d1a0a24cc
commit 6dc33fb812
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 317 additions and 213 deletions
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7
src/video_core/engines/maxwell_3d.cpp
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@ -34,8 +34,8 @@ void Maxwell3D::InitializeRegisterDefaults() {
// Depth range near/far is not always set, but is expected to be the default 0.0f, 1.0f. This is
// needed for ARMS.
for (std::size_t viewport{}; viewport < Regs::NumViewports; ++viewport) {
regs.viewport[viewport].depth_range_near = 0.0f;
regs.viewport[viewport].depth_range_far = 1.0f;
regs.viewports[viewport].depth_range_near = 0.0f;
regs.viewports[viewport].depth_range_far = 1.0f;
}
// Doom and Bomberman seems to use the uninitialized registers and just enable blend
// so initialize blend registers with sane values
@ -66,6 +66,9 @@ void Maxwell3D::InitializeRegisterDefaults() {
regs.stencil_back_func_func = Regs::ComparisonOp::Always;
regs.stencil_back_func_mask = 0xFFFFFFFF;
regs.stencil_back_mask = 0xFFFFFFFF;
// TODO(Rodrigo): Most games do not set a point size. I think this is a case of a
// register carrying a default value. Assume it's OpenGL's default (1).
regs.point_size = 1.0f;
}
void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {

142
src/video_core/engines/maxwell_3d.h
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@ -480,6 +480,67 @@ public:
};
};
struct ViewportTransform {
f32 scale_x;
f32 scale_y;
f32 scale_z;
f32 translate_x;
f32 translate_y;
f32 translate_z;
INSERT_PADDING_WORDS(2);
MathUtil::Rectangle<s32> GetRect() const {
return {
GetX(), // left
GetY() + GetHeight(), // top
GetX() + GetWidth(), // right
GetY() // bottom
};
};
s32 GetX() const {
return static_cast<s32>(std::max(0.0f, translate_x - std::fabs(scale_x)));
}
s32 GetY() const {
return static_cast<s32>(std::max(0.0f, translate_y - std::fabs(scale_y)));
}
s32 GetWidth() const {
return static_cast<s32>(translate_x + std::fabs(scale_x)) - GetX();
}
s32 GetHeight() const {
return static_cast<s32>(translate_y + std::fabs(scale_y)) - GetY();
}
};
struct ScissorTest {
u32 enable;
union {
BitField<0, 16, u32> min_x;
BitField<16, 16, u32> max_x;
};
union {
BitField<0, 16, u32> min_y;
BitField<16, 16, u32> max_y;
};
u32 fill;
};
struct ViewPort {
union {
BitField<0, 16, u32> x;
BitField<16, 16, u32> width;
};
union {
BitField<0, 16, u32> y;
BitField<16, 16, u32> height;
};
float depth_range_near;
float depth_range_far;
};
bool IsShaderConfigEnabled(std::size_t index) const {
// The VertexB is always enabled.
if (index == static_cast<std::size_t>(Regs::ShaderProgram::VertexB)) {
@ -505,55 +566,11 @@ public:
INSERT_PADDING_WORDS(0x2E);
RenderTargetConfig rt[NumRenderTargets];
std::array<RenderTargetConfig, NumRenderTargets> rt;
struct {
f32 scale_x;
f32 scale_y;
f32 scale_z;
f32 translate_x;
f32 translate_y;
f32 translate_z;
INSERT_PADDING_WORDS(2);
std::array<ViewportTransform, NumViewports> viewport_transform;
MathUtil::Rectangle<s32> GetRect() const {
return {
GetX(), // left
GetY() + GetHeight(), // top
GetX() + GetWidth(), // right
GetY() // bottom
};
};
s32 GetX() const {
return static_cast<s32>(std::max(0.0f, translate_x - std::fabs(scale_x)));
}
s32 GetY() const {
return static_cast<s32>(std::max(0.0f, translate_y - std::fabs(scale_y)));
}
s32 GetWidth() const {
return static_cast<s32>(translate_x + std::fabs(scale_x)) - GetX();
}
s32 GetHeight() const {
return static_cast<s32>(translate_y + std::fabs(scale_y)) - GetY();
}
} viewport_transform[NumViewports];
struct {
union {
BitField<0, 16, u32> x;
BitField<16, 16, u32> width;
};
union {
BitField<0, 16, u32> y;
BitField<16, 16, u32> height;
};
float depth_range_near;
float depth_range_far;
} viewport[NumViewports];
std::array<ViewPort, NumViewports> viewports;
INSERT_PADDING_WORDS(0x1D);
@ -571,19 +588,9 @@ public:
INSERT_PADDING_WORDS(0x17);
struct {
u32 enable;
union {
BitField<0, 16, u32> min_x;
BitField<16, 16, u32> max_x;
};
union {
BitField<0, 16, u32> min_y;
BitField<16, 16, u32> max_y;
};
} scissor_test;
std::array<ScissorTest, NumViewports> scissor_test;
INSERT_PADDING_WORDS(0x52);
INSERT_PADDING_WORDS(0x15);
s32 stencil_back_func_ref;
u32 stencil_back_mask;
@ -700,7 +707,9 @@ public:
u32 stencil_front_func_mask;
u32 stencil_front_mask;
INSERT_PADDING_WORDS(0x3);
INSERT_PADDING_WORDS(0x2);
u32 frag_color_clamp;
union {
BitField<4, 1, u32> triangle_rast_flip;
@ -718,7 +727,12 @@ public:
u32 zeta_enable;
INSERT_PADDING_WORDS(0x8);
union {
BitField<0, 1, u32> alpha_to_coverage;
BitField<4, 1, u32> alpha_to_one;
} multisample_control;
INSERT_PADDING_WORDS(0x7);
struct {
u32 tsc_address_high;
@ -1100,8 +1114,8 @@ private:
ASSERT_REG_POSITION(macros, 0x45);
ASSERT_REG_POSITION(tfb_enabled, 0x1D1);
ASSERT_REG_POSITION(rt, 0x200);
ASSERT_REG_POSITION(viewport_transform[0], 0x280);
ASSERT_REG_POSITION(viewport, 0x300);
ASSERT_REG_POSITION(viewport_transform, 0x280);
ASSERT_REG_POSITION(viewports, 0x300);
ASSERT_REG_POSITION(vertex_buffer, 0x35D);
ASSERT_REG_POSITION(clear_color[0], 0x360);
ASSERT_REG_POSITION(clear_depth, 0x364);
@ -1136,10 +1150,12 @@ ASSERT_REG_POSITION(stencil_front_func_func, 0x4E4);
ASSERT_REG_POSITION(stencil_front_func_ref, 0x4E5);
ASSERT_REG_POSITION(stencil_front_func_mask, 0x4E6);
ASSERT_REG_POSITION(stencil_front_mask, 0x4E7);
ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(point_size, 0x546);
ASSERT_REG_POSITION(zeta_enable, 0x54E);
ASSERT_REG_POSITION(multisample_control, 0x54F);
ASSERT_REG_POSITION(tsc, 0x557);
ASSERT_REG_POSITION(tic, 0x55D);
ASSERT_REG_POSITION(stencil_two_side_enable, 0x565);

163
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -580,6 +580,8 @@ void RasterizerOpenGL::DrawArrays() {
ConfigureFramebuffers(state);
SyncColorMask();
SyncFragmentColorClampState();
SyncMultiSampleState();
SyncDepthTestState();
SyncStencilTestState();
SyncBlendState();
@ -640,7 +642,7 @@ void RasterizerOpenGL::DrawArrays() {
params.DispatchDraw();
// Disable scissor test
state.scissor.enabled = false;
state.viewports[0].scissor.enabled = false;
accelerate_draw = AccelDraw::Disabled;
@ -731,9 +733,8 @@ void RasterizerOpenGL::SamplerInfo::Create() {
glSamplerParameteri(sampler.handle, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
}
void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::FullTextureInfo& info) {
void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) {
const GLuint s = sampler.handle;
const Tegra::Texture::TSCEntry& config = info.tsc;
if (mag_filter != config.mag_filter) {
mag_filter = config.mag_filter;
glSamplerParameteri(
@ -775,30 +776,50 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::FullTex
MaxwellToGL::DepthCompareFunc(depth_compare_func));
}
if (wrap_u == Tegra::Texture::WrapMode::Border || wrap_v == Tegra::Texture::WrapMode::Border ||
wrap_p == Tegra::Texture::WrapMode::Border) {
const GLvec4 new_border_color = {{config.border_color_r, config.border_color_g,
config.border_color_b, config.border_color_a}};
if (border_color != new_border_color) {
border_color = new_border_color;
glSamplerParameterfv(s, GL_TEXTURE_BORDER_COLOR, border_color.data());
GLvec4 new_border_color;
if (config.srgb_conversion) {
new_border_color[0] = config.srgb_border_color_r / 255.0f;
new_border_color[1] = config.srgb_border_color_g / 255.0f;
new_border_color[2] = config.srgb_border_color_g / 255.0f;
} else {
new_border_color[0] = config.border_color_r;
new_border_color[1] = config.border_color_g;
new_border_color[2] = config.border_color_b;
}
new_border_color[3] = config.border_color_a;
if (border_color != new_border_color) {
border_color = new_border_color;
glSamplerParameterfv(s, GL_TEXTURE_BORDER_COLOR, border_color.data());
}
const float anisotropic_max = static_cast<float>(1 << config.max_anisotropy.Value());
if (anisotropic_max != max_anisotropic) {
max_anisotropic = anisotropic_max;
if (GLAD_GL_ARB_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY, max_anisotropic);
} else if (GLAD_GL_EXT_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropic);
}
}
if (info.tic.use_header_opt_control == 0) {
if (GLAD_GL_ARB_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY,
static_cast<float>(1 << info.tic.max_anisotropy.Value()));
} else if (GLAD_GL_EXT_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY_EXT,
static_cast<float>(1 << info.tic.max_anisotropy.Value()));
}
glSamplerParameterf(s, GL_TEXTURE_MIN_LOD,
static_cast<float>(info.tic.res_min_mip_level.Value()));
glSamplerParameterf(s, GL_TEXTURE_MAX_LOD,
static_cast<float>(info.tic.res_max_mip_level.Value() == 0
? 16
: info.tic.res_max_mip_level.Value()));
glSamplerParameterf(s, GL_TEXTURE_LOD_BIAS, info.tic.mip_lod_bias.Value() / 256.f);
const float lod_min = static_cast<float>(config.min_lod_clamp.Value()) / 256.0f;
if (lod_min != min_lod) {
min_lod = lod_min;
glSamplerParameterf(s, GL_TEXTURE_MIN_LOD, min_lod);
}
const float lod_max = static_cast<float>(config.max_lod_clamp.Value()) / 256.0f;
if (lod_max != max_lod) {
max_lod = lod_max;
glSamplerParameterf(s, GL_TEXTURE_MAX_LOD, max_lod);
}
const u32 bias = config.mip_lod_bias.Value();
// Sign extend the 13-bit value.
const u32 mask = 1U << (13 - 1);
const float bias_lod = static_cast<s32>((bias ^ mask) - mask) / 256.f;
if (lod_bias != bias_lod) {
lod_bias = bias_lod;
glSamplerParameterf(s, GL_TEXTURE_LOD_BIAS, lod_bias);
}
}
@ -897,7 +918,7 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
continue;
}
texture_samplers[current_bindpoint].SyncWithConfig(texture);
texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);
Surface surface = res_cache.GetTextureSurface(texture, entry);
if (surface != nullptr) {
state.texture_units[current_bindpoint].texture = surface->Texture().handle;
@ -921,15 +942,15 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
void RasterizerOpenGL::SyncViewport(OpenGLState& current_state) {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumViewports; i++) {
const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[i].GetRect()};
auto& viewport = current_state.viewports[i];
viewport.x = viewport_rect.left;
viewport.y = viewport_rect.bottom;
viewport.width = static_cast<GLfloat>(viewport_rect.GetWidth());
viewport.height = static_cast<GLfloat>(viewport_rect.GetHeight());
viewport.depth_range_far = regs.viewport[i].depth_range_far;
viewport.depth_range_near = regs.viewport[i].depth_range_near;
viewport.depth_range_far = regs.viewports[i].depth_range_far;
viewport.depth_range_near = regs.viewports[i].depth_range_near;
}
}
@ -1020,7 +1041,9 @@ void RasterizerOpenGL::SyncStencilTestState() {
void RasterizerOpenGL::SyncColorMask() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const std::size_t count =
regs.independent_blend_enable ? Tegra::Engines::Maxwell3D::Regs::NumRenderTargets : 1;
for (std::size_t i = 0; i < count; i++) {
const auto& source = regs.color_mask[regs.color_mask_common ? 0 : i];
auto& dest = state.color_mask[i];
dest.red_enabled = (source.R == 0) ? GL_FALSE : GL_TRUE;
@ -1030,6 +1053,17 @@ void RasterizerOpenGL::SyncColorMask() {
}
}
void RasterizerOpenGL::SyncMultiSampleState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.multisample_control.alpha_to_coverage = regs.multisample_control.alpha_to_coverage != 0;
state.multisample_control.alpha_to_one = regs.multisample_control.alpha_to_one != 0;
}
void RasterizerOpenGL::SyncFragmentColorClampState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.fragment_color_clamp.enabled = regs.frag_color_clamp != 0;
}
void RasterizerOpenGL::SyncBlendState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
@ -1041,43 +1075,40 @@ void RasterizerOpenGL::SyncBlendState() {
state.independant_blend.enabled = regs.independent_blend_enable;
if (!state.independant_blend.enabled) {
auto& blend = state.blend[0];
blend.enabled = regs.blend.enable[0] != 0;
blend.separate_alpha = regs.blend.separate_alpha;
blend.rgb_equation = MaxwellToGL::BlendEquation(regs.blend.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_rgb);
if (blend.separate_alpha) {
blend.a_equation = MaxwellToGL::BlendEquation(regs.blend.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(regs.blend.factor_dest_a);
const auto& src = regs.blend;
blend.enabled = src.enable[0] != 0;
if (blend.enabled) {
blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
}
for (size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
for (std::size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
state.blend[i].enabled = false;
}
return;
}
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
auto& blend = state.blend[i];
const auto& src = regs.independent_blend[i];
blend.enabled = regs.blend.enable[i] != 0;
if (!blend.enabled)
continue;
blend.separate_alpha = regs.independent_blend[i].separate_alpha;
blend.rgb_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_rgb);
if (blend.separate_alpha) {
blend.a_equation = MaxwellToGL::BlendEquation(regs.independent_blend[i].equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(regs.independent_blend[i].factor_dest_a);
}
blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
}
}
void RasterizerOpenGL::SyncLogicOpState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
// TODO(Subv): Support more than just render target 0.
state.logic_op.enabled = regs.logic_op.enable != 0;
if (!state.logic_op.enabled)
@ -1090,19 +1121,21 @@ void RasterizerOpenGL::SyncLogicOpState() {
}
void RasterizerOpenGL::SyncScissorTest() {
// TODO: what is the correct behavior here, a single scissor for all targets
// or scissor disabled for the rest of the targets?
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.scissor.enabled = (regs.scissor_test.enable != 0);
if (regs.scissor_test.enable == 0) {
return;
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumViewports; i++) {
const auto& src = regs.scissor_test[i];
auto& dst = state.viewports[i].scissor;
dst.enabled = (src.enable != 0);
if (dst.enabled == 0) {
return;
}
const u32 width = src.max_x - src.min_x;
const u32 height = src.max_y - src.min_y;
dst.x = src.min_x;
dst.y = src.min_y;
dst.width = width;
dst.height = height;
}
const u32 width = regs.scissor_test.max_x - regs.scissor_test.min_x;
const u32 height = regs.scissor_test.max_y - regs.scissor_test.min_y;
state.scissor.x = regs.scissor_test.min_x;
state.scissor.y = regs.scissor_test.min_y;
state.scissor.width = width;
state.scissor.height = height;
}
void RasterizerOpenGL::SyncTransformFeedback() {
@ -1116,11 +1149,7 @@ void RasterizerOpenGL::SyncTransformFeedback() {
void RasterizerOpenGL::SyncPointState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
// TODO(Rodrigo): Most games do not set a point size. I think this is a case of a
// register carrying a default value. For now, if the point size is zero, assume it's
// OpenGL's default (1).
state.point.size = regs.point_size == 0 ? 1 : regs.point_size;
state.point.size = regs.point_size;
}
void RasterizerOpenGL::CheckAlphaTests() {

12
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -88,7 +88,7 @@ private:
/// SamplerInfo struct.
void Create();
/// Syncs the sampler object with the config, updating any necessary state.
void SyncWithConfig(const Tegra::Texture::FullTextureInfo& info);
void SyncWithConfig(const Tegra::Texture::TSCEntry& info);
private:
Tegra::Texture::TextureFilter mag_filter;
@ -100,6 +100,10 @@ private:
bool uses_depth_compare;
Tegra::Texture::DepthCompareFunc depth_compare_func;
GLvec4 border_color;
float min_lod;
float max_lod;
float lod_bias;
float max_anisotropic;
};
/**
@ -160,6 +164,12 @@ private:
/// Syncs the LogicOp state to match the guest state
void SyncLogicOpState();
/// Syncs the the color clamp state
void SyncFragmentColorClampState();
/// Syncs the alpha coverage and alpha to one
void SyncMultiSampleState();
/// Syncs the scissor test state to match the guest state
void SyncScissorTest();

1
src/video_core/renderer_opengl/gl_shader_manager.h
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@ -67,6 +67,7 @@ public:
glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fs);
state.draw.shader_program = 0;
state.draw.program_pipeline = pipeline.handle;
state.geometry_shaders.enabled = (gs != 0);
}
private:

152
src/video_core/renderer_opengl/gl_state.cpp
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@ -14,7 +14,10 @@ OpenGLState OpenGLState::cur_state;
bool OpenGLState::s_rgb_used;
OpenGLState::OpenGLState() {
// These all match default OpenGL values
geometry_shaders.enabled = false;
framebuffer_srgb.enabled = false;
multisample_control.alpha_to_coverage = false;
multisample_control.alpha_to_one = false;
cull.enabled = false;
cull.mode = GL_BACK;
cull.front_face = GL_CCW;
@ -50,12 +53,12 @@ OpenGLState::OpenGLState() {
item.height = 0;
item.depth_range_near = 0.0f;
item.depth_range_far = 1.0f;
item.scissor.enabled = false;
item.scissor.x = 0;
item.scissor.y = 0;
item.scissor.width = 0;
item.scissor.height = 0;
}
scissor.enabled = false;
scissor.x = 0;
scissor.y = 0;
scissor.width = 0;
scissor.height = 0;
for (auto& item : blend) {
item.enabled = true;
item.rgb_equation = GL_FUNC_ADD;
@ -88,6 +91,7 @@ OpenGLState::OpenGLState() {
clip_distance = {};
point.size = 1;
fragment_color_clamp.enabled = false;
}
void OpenGLState::ApplyDefaultState() {
@ -136,7 +140,7 @@ void OpenGLState::ApplyCulling() const {
}
void OpenGLState::ApplyColorMask() const {
if (GLAD_GL_ARB_viewport_array) {
if (GLAD_GL_ARB_viewport_array && independant_blend.enabled) {
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const auto& updated = color_mask[i];
const auto& current = cur_state.color_mask[i];
@ -230,26 +234,10 @@ void OpenGLState::ApplyStencilTest() const {
}
}
void OpenGLState::ApplyScissor() const {
const bool scissor_changed = scissor.enabled != cur_state.scissor.enabled;
if (scissor_changed) {
if (scissor.enabled) {
glEnable(GL_SCISSOR_TEST);
} else {
glDisable(GL_SCISSOR_TEST);
}
}
if (scissor.enabled &&
(scissor_changed || scissor.x != cur_state.scissor.x || scissor.y != cur_state.scissor.y ||
scissor.width != cur_state.scissor.width || scissor.height != cur_state.scissor.height)) {
glScissor(scissor.x, scissor.y, scissor.width, scissor.height);
}
}
void OpenGLState::ApplyViewport() const {
if (GLAD_GL_ARB_viewport_array) {
for (GLuint i = 0;
i < static_cast<GLuint>(Tegra::Engines::Maxwell3D::Regs::NumRenderTargets); i++) {
if (GLAD_GL_ARB_viewport_array && geometry_shaders.enabled) {
for (GLuint i = 0; i < static_cast<GLuint>(Tegra::Engines::Maxwell3D::Regs::NumViewports);
i++) {
const auto& current = cur_state.viewports[i];
const auto& updated = viewports[i];
if (updated.x != current.x || updated.y != current.y ||
@ -260,6 +248,22 @@ void OpenGLState::ApplyViewport() const {
updated.depth_range_far != current.depth_range_far) {
glDepthRangeIndexed(i, updated.depth_range_near, updated.depth_range_far);
}
const bool scissor_changed = updated.scissor.enabled != current.scissor.enabled;
if (scissor_changed) {
if (updated.scissor.enabled) {
glEnablei(GL_SCISSOR_TEST, i);
} else {
glDisablei(GL_SCISSOR_TEST, i);
}
}
if (updated.scissor.enabled &&
(scissor_changed || updated.scissor.x != current.scissor.x ||
updated.scissor.y != current.scissor.y ||
updated.scissor.width != current.scissor.width ||
updated.scissor.height != current.scissor.height)) {
glScissorIndexed(i, updated.scissor.x, updated.scissor.y, updated.scissor.width,
updated.scissor.height);
}
}
} else {
const auto& current = cur_state.viewports[0];
@ -273,6 +277,21 @@ void OpenGLState::ApplyViewport() const {
updated.depth_range_far != current.depth_range_far) {
glDepthRange(updated.depth_range_near, updated.depth_range_far);
}
const bool scissor_changed = updated.scissor.enabled != current.scissor.enabled;
if (scissor_changed) {
if (updated.scissor.enabled) {
glEnable(GL_SCISSOR_TEST);
} else {
glDisable(GL_SCISSOR_TEST);
}
}
if (updated.scissor.enabled && (scissor_changed || updated.scissor.x != current.scissor.x ||
updated.scissor.y != current.scissor.y ||
updated.scissor.width != current.scissor.width ||
updated.scissor.height != current.scissor.height)) {
glScissor(updated.scissor.x, updated.scissor.y, updated.scissor.width,
updated.scissor.height);
}
}
}
@ -290,27 +309,16 @@ void OpenGLState::ApplyGlobalBlending() const {
if (!updated.enabled) {
return;
}
if (updated.separate_alpha) {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func ||
updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
updated.dst_a_func);
}
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func ||
updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
updated.dst_a_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
}
} else {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func) {
glBlendFunc(updated.src_rgb_func, updated.dst_rgb_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation) {
glBlendEquation(updated.rgb_equation);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
}
}
@ -328,29 +336,17 @@ void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) const {
if (!updated.enabled) {
return;
}
if (updated.separate_alpha) {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func ||
updated.src_a_func != current.src_a_func || updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparateiARB(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
}
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func ||
updated.dst_a_func != current.dst_a_func) {
glBlendFuncSeparateiARB(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparateiARB(static_cast<GLuint>(target), updated.rgb_equation,
updated.a_equation);
}
} else {
if (blend_changed || updated.src_rgb_func != current.src_rgb_func ||
updated.dst_rgb_func != current.dst_rgb_func) {
glBlendFunciARB(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation) {
glBlendEquationiARB(static_cast<GLuint>(target), updated.rgb_equation);
}
if (blend_changed || updated.rgb_equation != current.rgb_equation ||
updated.a_equation != current.a_equation) {
glBlendEquationSeparateiARB(static_cast<GLuint>(target), updated.rgb_equation,
updated.a_equation);
}
}
@ -481,9 +477,29 @@ void OpenGLState::Apply() const {
if (point.size != cur_state.point.size) {
glPointSize(point.size);
}
if (GLAD_GL_ARB_color_buffer_float) {
if (fragment_color_clamp.enabled != cur_state.fragment_color_clamp.enabled) {
glClampColor(GL_CLAMP_FRAGMENT_COLOR_ARB,
fragment_color_clamp.enabled ? GL_TRUE : GL_FALSE);
}
}
if (multisample_control.alpha_to_coverage != cur_state.multisample_control.alpha_to_coverage) {
if (multisample_control.alpha_to_coverage) {
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);
} else {
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
}
}
if (multisample_control.alpha_to_one != cur_state.multisample_control.alpha_to_one) {
if (multisample_control.alpha_to_one) {
glEnable(GL_SAMPLE_ALPHA_TO_ONE);
} else {
glDisable(GL_SAMPLE_ALPHA_TO_ONE);
}
}
ApplyColorMask();
ApplyViewport();
ApplyScissor();
ApplyStencilTest();
ApplySRgb();
ApplyCulling();

32
src/video_core/renderer_opengl/gl_state.h
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@ -39,6 +39,19 @@ public:
bool enabled; // GL_FRAMEBUFFER_SRGB
} framebuffer_srgb;
struct {
bool alpha_to_coverage; // GL_ALPHA_TO_COVERAGE
bool alpha_to_one; // GL_ALPHA_TO_ONE
} multisample_control;
struct {
bool enabled; // GL_CLAMP_FRAGMENT_COLOR_ARB
} fragment_color_clamp;
struct {
bool enabled; // viewports arrays are only supported when geometry shaders are enabled.
} geometry_shaders;
struct {
bool enabled; // GL_CULL_FACE
GLenum mode; // GL_CULL_FACE_MODE
@ -79,7 +92,6 @@ public:
struct Blend {
bool enabled; // GL_BLEND
bool separate_alpha; // Independent blend enabled
GLenum rgb_equation; // GL_BLEND_EQUATION_RGB
GLenum a_equation; // GL_BLEND_EQUATION_ALPHA
GLenum src_rgb_func; // GL_BLEND_SRC_RGB
@ -150,16 +162,15 @@ public:
GLfloat height;
GLfloat depth_range_near; // GL_DEPTH_RANGE
GLfloat depth_range_far; // GL_DEPTH_RANGE
struct {
bool enabled; // GL_SCISSOR_TEST
GLint x;
GLint y;
GLsizei width;
GLsizei height;
} scissor;
};
std::array<viewport, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> viewports;
struct {
bool enabled; // GL_SCISSOR_TEST
GLint x;
GLint y;
GLsizei width;
GLsizei height;
} scissor;
std::array<viewport, Tegra::Engines::Maxwell3D::Regs::NumViewports> viewports;
struct {
float size; // GL_POINT_SIZE
@ -214,7 +225,6 @@ private:
void ApplyLogicOp() const;
void ApplyTextures() const;
void ApplySamplers() const;
void ApplyScissor() const;
};
} // namespace OpenGL

6
src/video_core/renderer_opengl/maxwell_to_gl.h
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@ -180,6 +180,12 @@ inline GLenum WrapMode(Tegra::Texture::WrapMode wrap_mode) {
return GL_CLAMP_TO_BORDER;
case Tegra::Texture::WrapMode::MirrorOnceClampToEdge:
return GL_MIRROR_CLAMP_TO_EDGE;
case Tegra::Texture::WrapMode::MirrorOnceBorder:
if (GL_EXT_texture_mirror_clamp) {
return GL_MIRROR_CLAMP_TO_BORDER_EXT;
} else {
return GL_MIRROR_CLAMP_TO_EDGE;
}
}
LOG_ERROR(Render_OpenGL, "Unimplemented texture wrap mode={}", static_cast<u32>(wrap_mode));
return GL_REPEAT;

15
src/video_core/textures/texture.h
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@ -190,6 +190,7 @@ struct TICEntry {
union {
BitField<0, 4, u32> res_min_mip_level;
BitField<4, 4, u32> res_max_mip_level;
BitField<12, 12, u32> min_lod_clamp;
};
GPUVAddr Address() const {
@ -284,13 +285,25 @@ struct TSCEntry {
BitField<6, 3, WrapMode> wrap_p;
BitField<9, 1, u32> depth_compare_enabled;
BitField<10, 3, DepthCompareFunc> depth_compare_func;
BitField<13, 1, u32> srgb_conversion;
BitField<20, 3, u32> max_anisotropy;
};
union {
BitField<0, 2, TextureFilter> mag_filter;
BitField<4, 2, TextureFilter> min_filter;
BitField<6, 2, TextureMipmapFilter> mip_filter;
BitField<9, 1, u32> cubemap_interface_filtering;
BitField<12, 13, u32> mip_lod_bias;
};
union {
BitField<0, 12, u32> min_lod_clamp;
BitField<12, 12, u32> max_lod_clamp;
BitField<24, 8, u32> srgb_border_color_r;
};
union {
BitField<12, 8, u32> srgb_border_color_g;
BitField<20, 8, u32> srgb_border_color_b;
};
INSERT_PADDING_BYTES(8);
float border_color_r;
float border_color_g;
float border_color_b;