diff options
Diffstat (limited to 'src/video_core')
18 files changed, 48 insertions, 228 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 24ce47682..2d4caa08d 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -42,8 +42,6 @@ add_library(video_core STATIC renderer_opengl/gl_device.h renderer_opengl/gl_global_cache.cpp renderer_opengl/gl_global_cache.h - renderer_opengl/gl_primitive_assembler.cpp - renderer_opengl/gl_primitive_assembler.h renderer_opengl/gl_rasterizer.cpp renderer_opengl/gl_rasterizer.h renderer_opengl/gl_rasterizer_cache.cpp diff --git a/src/video_core/engines/kepler_compute.h b/src/video_core/engines/kepler_compute.h index 5250b8d9b..6a3309a2c 100644 --- a/src/video_core/engines/kepler_compute.h +++ b/src/video_core/engines/kepler_compute.h @@ -140,7 +140,7 @@ public: BitField<0, 16, u32> shared_alloc; - BitField<0, 31, u32> block_dim_x; + BitField<16, 16, u32> block_dim_x; union { BitField<0, 16, u32> block_dim_y; BitField<16, 16, u32> block_dim_z; @@ -153,7 +153,7 @@ public: INSERT_PADDING_WORDS(0x8); - struct { + struct ConstBufferConfig { u32 address_low; union { BitField<0, 8, u32> address_high; @@ -163,7 +163,8 @@ public: return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high.Value()) << 32) | address_low); } - } const_buffer_config[8]; + }; + std::array<ConstBufferConfig, NumConstBuffers> const_buffer_config; union { BitField<0, 20, u32> local_pos_alloc; diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h index 113f9d8f3..43a84bd52 100644 --- a/src/video_core/memory_manager.h +++ b/src/video_core/memory_manager.h @@ -163,8 +163,8 @@ private: static constexpr u64 page_size{1 << page_bits}; static constexpr u64 page_mask{page_size - 1}; - /// Address space in bits, this is fairly arbitrary but sufficiently large. - static constexpr u32 address_space_width{39}; + /// Address space in bits, according to Tegra X1 TRM + static constexpr u32 address_space_width{40}; /// Start address for mapping, this is fairly arbitrary but must be non-zero. static constexpr GPUVAddr address_space_base{0x100000}; /// End of address space, based on address space in bits. diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp index 25652e794..48b86f3bd 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp @@ -71,16 +71,6 @@ GLintptr OGLBufferCache::UploadHostMemory(const void* raw_pointer, std::size_t s return uploaded_offset; } -std::tuple<u8*, GLintptr> OGLBufferCache::ReserveMemory(std::size_t size, std::size_t alignment) { - AlignBuffer(alignment); - u8* const uploaded_ptr = buffer_ptr; - const GLintptr uploaded_offset = buffer_offset; - - buffer_ptr += size; - buffer_offset += size; - return std::make_tuple(uploaded_ptr, uploaded_offset); -} - bool OGLBufferCache::Map(std::size_t max_size) { bool invalidate; std::tie(buffer_ptr, buffer_offset_base, invalidate) = diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h index f9247a40e..f2347581b 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.h +++ b/src/video_core/renderer_opengl/gl_buffer_cache.h @@ -61,9 +61,6 @@ public: /// Uploads from a host memory. Returns host's buffer offset where it's been allocated. GLintptr UploadHostMemory(const void* raw_pointer, std::size_t size, std::size_t alignment = 4); - /// Reserves memory to be used by host's CPU. Returns mapped address and offset. - std::tuple<u8*, GLintptr> ReserveMemory(std::size_t size, std::size_t alignment = 4); - bool Map(std::size_t max_size); void Unmap(); diff --git a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp b/src/video_core/renderer_opengl/gl_primitive_assembler.cpp deleted file mode 100644 index c3e94d917..000000000 --- a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp +++ /dev/null @@ -1,63 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <algorithm> -#include <array> -#include "common/assert.h" -#include "common/common_types.h" -#include "core/core.h" -#include "video_core/memory_manager.h" -#include "video_core/renderer_opengl/gl_buffer_cache.h" -#include "video_core/renderer_opengl/gl_primitive_assembler.h" - -namespace OpenGL { - -constexpr u32 TRIANGLES_PER_QUAD = 6; -constexpr std::array<u32, TRIANGLES_PER_QUAD> QUAD_MAP = {0, 1, 2, 0, 2, 3}; - -PrimitiveAssembler::PrimitiveAssembler(OGLBufferCache& buffer_cache) : buffer_cache(buffer_cache) {} - -PrimitiveAssembler::~PrimitiveAssembler() = default; - -std::size_t PrimitiveAssembler::CalculateQuadSize(u32 count) const { - ASSERT_MSG(count % 4 == 0, "Quad count is expected to be a multiple of 4"); - return (count / 4) * TRIANGLES_PER_QUAD * sizeof(GLuint); -} - -GLintptr PrimitiveAssembler::MakeQuadArray(u32 first, u32 count) { - const std::size_t size{CalculateQuadSize(count)}; - auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(size); - - for (u32 primitive = 0; primitive < count / 4; ++primitive) { - for (u32 i = 0; i < TRIANGLES_PER_QUAD; ++i) { - const u32 index = first + primitive * 4 + QUAD_MAP[i]; - std::memcpy(dst_pointer, &index, sizeof(index)); - dst_pointer += sizeof(index); - } - } - - return index_offset; -} - -GLintptr PrimitiveAssembler::MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count) { - const std::size_t map_size{CalculateQuadSize(count)}; - auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(map_size); - - auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager(); - const u8* source{memory_manager.GetPointer(gpu_addr)}; - - for (u32 primitive = 0; primitive < count / 4; ++primitive) { - for (std::size_t i = 0; i < TRIANGLES_PER_QUAD; ++i) { - const u32 index = primitive * 4 + QUAD_MAP[i]; - const u8* src_offset = source + (index * index_size); - - std::memcpy(dst_pointer, src_offset, index_size); - dst_pointer += index_size; - } - } - - return index_offset; -} - -} // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_primitive_assembler.h b/src/video_core/renderer_opengl/gl_primitive_assembler.h deleted file mode 100644 index 4e87ce4d6..000000000 --- a/src/video_core/renderer_opengl/gl_primitive_assembler.h +++ /dev/null @@ -1,31 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <glad/glad.h> - -#include "common/common_types.h" - -namespace OpenGL { - -class OGLBufferCache; - -class PrimitiveAssembler { -public: - explicit PrimitiveAssembler(OGLBufferCache& buffer_cache); - ~PrimitiveAssembler(); - - /// Calculates the size required by MakeQuadArray and MakeQuadIndexed. - std::size_t CalculateQuadSize(u32 count) const; - - GLintptr MakeQuadArray(u32 first, u32 count); - - GLintptr MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count); - -private: - OGLBufferCache& buffer_cache; -}; - -} // namespace OpenGL
\ No newline at end of file diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index f9b6dfeea..ca410287a 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -246,29 +246,6 @@ DrawParameters RasterizerOpenGL::SetupDraw() { DrawParameters params{}; params.current_instance = gpu.state.current_instance; - if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) { - MICROPROFILE_SCOPE(OpenGL_PrimitiveAssembly); - - params.use_indexed = true; - params.primitive_mode = GL_TRIANGLES; - - if (is_indexed) { - params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format); - params.count = (regs.index_array.count / 4) * 6; - params.index_buffer_offset = primitive_assembler.MakeQuadIndexed( - regs.index_array.IndexStart(), regs.index_array.FormatSizeInBytes(), - regs.index_array.count); - params.base_vertex = static_cast<GLint>(regs.vb_element_base); - } else { - // MakeQuadArray always generates u32 indexes - params.index_format = GL_UNSIGNED_INT; - params.count = (regs.vertex_buffer.count / 4) * 6; - params.index_buffer_offset = primitive_assembler.MakeQuadArray( - regs.vertex_buffer.first, regs.vertex_buffer.count); - } - return params; - } - params.use_indexed = is_indexed; params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology); @@ -686,30 +663,19 @@ void RasterizerOpenGL::DrawArrays() { SyncCullMode(); SyncPrimitiveRestart(); SyncScissorTest(state); - // Alpha Testing is synced on shaders. SyncTransformFeedback(); SyncPointState(); - CheckAlphaTests(); SyncPolygonOffset(); - // TODO(bunnei): Sync framebuffer_scale uniform here - // TODO(bunnei): Sync scissorbox uniform(s) here + SyncAlphaTest(); // Draw the vertex batch const bool is_indexed = accelerate_draw == AccelDraw::Indexed; std::size_t buffer_size = CalculateVertexArraysSize(); - // Add space for index buffer (keeping in mind non-core primitives) - switch (regs.draw.topology) { - case Maxwell::PrimitiveTopology::Quads: - buffer_size = Common::AlignUp(buffer_size, 4) + - primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count); - break; - default: - if (is_indexed) { - buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize(); - } - break; + // Add space for index buffer + if (is_indexed) { + buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize(); } // Uniform space for the 5 shader stages @@ -1152,10 +1118,17 @@ void RasterizerOpenGL::SyncPolygonOffset() { state.polygon_offset.clamp = regs.polygon_offset_clamp; } -void RasterizerOpenGL::CheckAlphaTests() { +void RasterizerOpenGL::SyncAlphaTest() { const auto& regs = system.GPU().Maxwell3D().regs; UNIMPLEMENTED_IF_MSG(regs.alpha_test_enabled != 0 && regs.rt_control.count > 1, "Alpha Testing is enabled with more than one rendertarget"); + + state.alpha_test.enabled = regs.alpha_test_enabled; + if (!state.alpha_test.enabled) { + return; + } + state.alpha_test.func = MaxwellToGL::ComparisonOp(regs.alpha_test_func); + state.alpha_test.ref = regs.alpha_test_ref; } } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index d78094138..2817f65c9 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -23,7 +23,6 @@ #include "video_core/renderer_opengl/gl_buffer_cache.h" #include "video_core/renderer_opengl/gl_device.h" #include "video_core/renderer_opengl/gl_global_cache.h" -#include "video_core/renderer_opengl/gl_primitive_assembler.h" #include "video_core/renderer_opengl/gl_rasterizer_cache.h" #include "video_core/renderer_opengl/gl_resource_manager.h" #include "video_core/renderer_opengl/gl_sampler_cache.h" @@ -167,8 +166,8 @@ private: /// Syncs the polygon offsets void SyncPolygonOffset(); - /// Check asserts for alpha testing. - void CheckAlphaTests(); + /// Syncs the alpha test state to match the guest state + void SyncAlphaTest(); /// Check for extension that are not strictly required /// but are needed for correct emulation @@ -197,7 +196,6 @@ private: static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024; OGLBufferCache buffer_cache; - PrimitiveAssembler primitive_assembler{buffer_cache}; BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER}; BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER}; diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index afcc06afc..7dc2e0560 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1490,27 +1490,9 @@ private: UNIMPLEMENTED_IF_MSG(header.ps.omap.sample_mask != 0, "Sample mask write is unimplemented"); - code.AddLine("if (alpha_test[0] != 0) {{"); - ++code.scope; - // We start on the register containing the alpha value in the first RT. - u32 current_reg = 3; - for (u32 render_target = 0; render_target < Maxwell::NumRenderTargets; ++render_target) { - // TODO(Blinkhawk): verify the behavior of alpha testing on hardware when - // multiple render targets are used. - if (header.ps.IsColorComponentOutputEnabled(render_target, 0) || - header.ps.IsColorComponentOutputEnabled(render_target, 1) || - header.ps.IsColorComponentOutputEnabled(render_target, 2) || - header.ps.IsColorComponentOutputEnabled(render_target, 3)) { - code.AddLine("if (!AlphaFunc({})) discard;", SafeGetRegister(current_reg)); - current_reg += 4; - } - } - --code.scope; - code.AddLine("}}"); - // Write the color outputs using the data in the shader registers, disabled // rendertargets/components are skipped in the register assignment. - current_reg = 0; + u32 current_reg = 0; for (u32 render_target = 0; render_target < Maxwell::NumRenderTargets; ++render_target) { // TODO(Subv): Figure out how dual-source blending is configured in the Switch. for (u32 component = 0; component < 4; ++component) { diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index c845b29aa..9148629ec 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -26,7 +26,6 @@ ProgramResult GenerateVertexShader(const Device& device, const ShaderSetup& setu layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding - uvec4 alpha_test; }; )"; @@ -78,7 +77,6 @@ ProgramResult GenerateGeometryShader(const Device& device, const ShaderSetup& se layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding - uvec4 alpha_test; }; )"; @@ -114,33 +112,8 @@ layout (location = 7) out vec4 FragColor7; layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding - uvec4 alpha_test; }; -bool AlphaFunc(in float value) { - float ref = uintBitsToFloat(alpha_test[2]); - switch (alpha_test[1]) { - case 1: - return false; - case 2: - return value < ref; - case 3: - return value == ref; - case 4: - return value <= ref; - case 5: - return value > ref; - case 6: - return value != ref; - case 7: - return value >= ref; - case 8: - return true; - default: - return false; - } -} - )"; const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET); ProgramResult program = diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp index 05ab01dcb..b05f90f20 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.cpp +++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp @@ -48,17 +48,6 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D& maxwell, std::size_t shade viewport_flip[0] = regs.viewport_transform[0].scale_x < 0.0 ? -1.0f : 1.0f; viewport_flip[1] = regs.viewport_transform[0].scale_y < 0.0 ? -1.0f : 1.0f; - auto func{static_cast<u32>(regs.alpha_test_func)}; - // Normalize the gl variants of opCompare to be the same as the normal variants - const u32 op_gl_variant_base = static_cast<u32>(Maxwell3D::Regs::ComparisonOp::Never); - if (func >= op_gl_variant_base) { - func = func - op_gl_variant_base + 1U; - } - - alpha_test.enabled = regs.alpha_test_enabled; - alpha_test.func = func; - alpha_test.ref = regs.alpha_test_ref; - instance_id = state.current_instance; // Assign in which stage the position has to be flipped diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h index cec18a832..6961e702a 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.h +++ b/src/video_core/renderer_opengl/gl_shader_manager.h @@ -27,14 +27,8 @@ struct MaxwellUniformData { GLuint flip_stage; GLfloat y_direction; }; - struct alignas(16) { - GLuint enabled; - GLuint func; - GLfloat ref; - GLuint padding; - } alpha_test; }; -static_assert(sizeof(MaxwellUniformData) == 48, "MaxwellUniformData structure size is incorrect"); +static_assert(sizeof(MaxwellUniformData) == 32, "MaxwellUniformData structure size is incorrect"); static_assert(sizeof(MaxwellUniformData) < 16384, "MaxwellUniformData structure must be less than 16kb as per the OpenGL spec"); diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index 7425fbe5d..d86e137ac 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -156,6 +156,10 @@ OpenGLState::OpenGLState() { polygon_offset.factor = 0.0f; polygon_offset.units = 0.0f; polygon_offset.clamp = 0.0f; + + alpha_test.enabled = false; + alpha_test.func = GL_ALWAYS; + alpha_test.ref = 0.0f; } void OpenGLState::ApplyDefaultState() { @@ -461,6 +465,14 @@ void OpenGLState::ApplyPolygonOffset() const { } } +void OpenGLState::ApplyAlphaTest() const { + Enable(GL_ALPHA_TEST, cur_state.alpha_test.enabled, alpha_test.enabled); + if (UpdateTie(std::tie(cur_state.alpha_test.func, cur_state.alpha_test.ref), + std::tie(alpha_test.func, alpha_test.ref))) { + glAlphaFunc(alpha_test.func, alpha_test.ref); + } +} + void OpenGLState::ApplyTextures() const { bool has_delta{}; std::size_t first{}; @@ -533,6 +545,7 @@ void OpenGLState::Apply() const { ApplyTextures(); ApplySamplers(); ApplyPolygonOffset(); + ApplyAlphaTest(); } void OpenGLState::EmulateViewportWithScissor() { diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index 41418a7b8..b0140495d 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -172,6 +172,12 @@ public: GLfloat clamp; } polygon_offset; + struct { + bool enabled; // GL_ALPHA_TEST + GLenum func; // GL_ALPHA_TEST_FUNC + GLfloat ref; // GL_ALPHA_TEST_REF + } alpha_test; + std::array<bool, 8> clip_distance; // GL_CLIP_DISTANCE OpenGLState(); @@ -215,6 +221,7 @@ public: void ApplySamplers() const; void ApplyDepthClamp() const; void ApplyPolygonOffset() const; + void ApplyAlphaTest() const; /// Set the initial OpenGL state static void ApplyDefaultState(); diff --git a/src/video_core/renderer_opengl/maxwell_to_gl.h b/src/video_core/renderer_opengl/maxwell_to_gl.h index ed7b5cff0..ea77dd211 100644 --- a/src/video_core/renderer_opengl/maxwell_to_gl.h +++ b/src/video_core/renderer_opengl/maxwell_to_gl.h @@ -128,6 +128,8 @@ inline GLenum PrimitiveTopology(Maxwell::PrimitiveTopology topology) { return GL_TRIANGLE_STRIP; case Maxwell::PrimitiveTopology::TriangleFan: return GL_TRIANGLE_FAN; + case Maxwell::PrimitiveTopology::Quads: + return GL_QUADS; default: LOG_CRITICAL(Render_OpenGL, "Unimplemented topology={}", static_cast<u32>(topology)); UNREACHABLE(); @@ -173,11 +175,8 @@ inline GLenum WrapMode(Tegra::Texture::WrapMode wrap_mode) { return GL_CLAMP_TO_EDGE; case Tegra::Texture::WrapMode::Border: return GL_CLAMP_TO_BORDER; - case Tegra::Texture::WrapMode::ClampOGL: - // TODO(Subv): GL_CLAMP was removed as of OpenGL 3.1, to implement GL_CLAMP, we can use - // GL_CLAMP_TO_BORDER to get the border color of the texture, and then sample the edge to - // manually mix them. However the shader part of this is not yet implemented. - return GL_CLAMP_TO_BORDER; + case Tegra::Texture::WrapMode::Clamp: + return GL_CLAMP; case Tegra::Texture::WrapMode::MirrorOnceClampToEdge: return GL_MIRROR_CLAMP_TO_EDGE; case Tegra::Texture::WrapMode::MirrorOnceBorder: diff --git a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp index 9fe1e3280..0bbbf6851 100644 --- a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp +++ b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp @@ -52,7 +52,7 @@ vk::SamplerAddressMode WrapMode(Tegra::Texture::WrapMode wrap_mode) { return vk::SamplerAddressMode::eClampToEdge; case Tegra::Texture::WrapMode::Border: return vk::SamplerAddressMode::eClampToBorder; - case Tegra::Texture::WrapMode::ClampOGL: + case Tegra::Texture::WrapMode::Clamp: // TODO(Rodrigo): GL_CLAMP was removed as of OpenGL 3.1, to implement GL_CLAMP, we can use // eClampToBorder to get the border color of the texture, and then sample the edge to // manually mix them. However the shader part of this is not yet implemented. diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h index bea0d5bc2..219bfd559 100644 --- a/src/video_core/textures/texture.h +++ b/src/video_core/textures/texture.h @@ -251,7 +251,7 @@ enum class WrapMode : u32 { Mirror = 1, ClampToEdge = 2, Border = 3, - ClampOGL = 4, + Clamp = 4, MirrorOnceClampToEdge = 5, MirrorOnceBorder = 6, MirrorOnceClampOGL = 7, |