/
thin3d_gl.cpp
1616 lines (1411 loc) · 52.2 KB
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thin3d_gl.cpp
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#include <cstdio>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include "ppsspp_config.h"
#include "Common/Data/Convert/ColorConv.h"
#include "Common/Data/Convert/SmallDataConvert.h"
#include "Common/Math/math_util.h"
#include "Common/Math/lin/matrix4x4.h"
#include "Common/System/System.h"
#include "Common/Log.h"
#include "Common/GPU/thin3d.h"
#include "Common/GPU/Shader.h"
#include "Common/GPU/OpenGL/DataFormatGL.h"
#include "Common/GPU/OpenGL/GLCommon.h"
#include "Common/GPU/OpenGL/GLDebugLog.h"
#include "Common/GPU/OpenGL/GLFeatures.h"
#include "Common/GPU/OpenGL/GLRenderManager.h"
// #define DEBUG_READ_PIXELS 1
namespace Draw {
static const unsigned short compToGL[] = {
GL_NEVER,
GL_LESS,
GL_EQUAL,
GL_LEQUAL,
GL_GREATER,
GL_NOTEQUAL,
GL_GEQUAL,
GL_ALWAYS
};
static const unsigned short blendEqToGL[] = {
GL_FUNC_ADD,
GL_FUNC_SUBTRACT,
GL_FUNC_REVERSE_SUBTRACT,
GL_MIN,
GL_MAX,
};
static const unsigned short blendFactorToGL[] = {
GL_ZERO,
GL_ONE,
GL_SRC_COLOR,
GL_ONE_MINUS_SRC_COLOR,
GL_DST_COLOR,
GL_ONE_MINUS_DST_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA,
GL_DST_ALPHA,
GL_ONE_MINUS_DST_ALPHA,
GL_CONSTANT_COLOR,
GL_ONE_MINUS_CONSTANT_COLOR,
GL_CONSTANT_ALPHA,
GL_ONE_MINUS_CONSTANT_ALPHA,
#if !defined(USING_GLES2) // TODO: Remove when we have better headers
GL_SRC1_COLOR,
GL_ONE_MINUS_SRC1_COLOR,
GL_SRC1_ALPHA,
GL_ONE_MINUS_SRC1_ALPHA,
#elif !PPSSPP_PLATFORM(IOS)
GL_SRC1_COLOR_EXT,
GL_ONE_MINUS_SRC1_COLOR_EXT,
GL_SRC1_ALPHA_EXT,
GL_ONE_MINUS_SRC1_ALPHA_EXT,
#else
GL_INVALID_ENUM,
GL_INVALID_ENUM,
GL_INVALID_ENUM,
GL_INVALID_ENUM,
#endif
};
static const unsigned short texWrapToGL[] = {
GL_REPEAT,
GL_MIRRORED_REPEAT,
GL_CLAMP_TO_EDGE,
#if !defined(USING_GLES2)
GL_CLAMP_TO_BORDER,
#else
GL_CLAMP_TO_EDGE,
#endif
};
static const unsigned short texFilterToGL[] = {
GL_NEAREST,
GL_LINEAR,
};
static const unsigned short texMipFilterToGL[2][2] = {
// Min nearest:
{ GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR },
// Min linear:
{ GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR },
};
#ifndef USING_GLES2
static const unsigned short logicOpToGL[] = {
GL_CLEAR,
GL_SET,
GL_COPY,
GL_COPY_INVERTED,
GL_NOOP,
GL_INVERT,
GL_AND,
GL_NAND,
GL_OR,
GL_NOR,
GL_XOR,
GL_EQUIV,
GL_AND_REVERSE,
GL_AND_INVERTED,
GL_OR_REVERSE,
GL_OR_INVERTED,
};
#endif
static const GLuint stencilOpToGL[8] = {
GL_KEEP,
GL_ZERO,
GL_REPLACE,
GL_INCR,
GL_DECR,
GL_INVERT,
GL_INCR_WRAP,
GL_DECR_WRAP,
};
static const unsigned short primToGL[] = {
GL_POINTS,
GL_LINES,
GL_LINE_STRIP,
GL_TRIANGLES,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_FAN,
};
class OpenGLBuffer;
class OpenGLBlendState : public BlendState {
public:
bool enabled;
GLuint eqCol, eqAlpha;
GLuint srcCol, srcAlpha, dstCol, dstAlpha;
int colorMask;
// uint32_t fixedColor;
void Apply(GLRenderManager *render) {
render->SetBlendAndMask(colorMask, enabled, srcCol, dstCol, srcAlpha, dstAlpha, eqCol, eqAlpha);
}
};
class OpenGLSamplerState : public SamplerState {
public:
GLint wrapU;
GLint wrapV;
GLint wrapW;
GLint magFilt;
GLint minFilt;
GLint mipMinFilt;
};
class OpenGLDepthStencilState : public DepthStencilState {
public:
bool depthTestEnabled;
bool depthWriteEnabled;
GLuint depthComp;
// TODO: Two-sided. Although in practice, do we care?
bool stencilEnabled;
GLuint stencilFail;
GLuint stencilZFail;
GLuint stencilPass;
GLuint stencilCompareOp;
void Apply(GLRenderManager *render, uint8_t stencilRef, uint8_t stencilWriteMask, uint8_t stencilCompareMask) {
render->SetDepth(depthTestEnabled, depthWriteEnabled, depthComp);
render->SetStencil(
stencilEnabled, stencilCompareOp, stencilRef, stencilCompareMask,
stencilWriteMask, stencilFail, stencilZFail, stencilPass);
}
};
class OpenGLRasterState : public RasterState {
public:
void Apply(GLRenderManager *render) {
render->SetRaster(cullEnable, frontFace, cullMode, GL_FALSE, GL_FALSE);
}
GLboolean cullEnable;
GLenum cullMode;
GLenum frontFace;
};
GLuint ShaderStageToOpenGL(ShaderStage stage) {
switch (stage) {
case ShaderStage::Vertex: return GL_VERTEX_SHADER;
#ifndef USING_GLES2
case ShaderStage::Compute: return GL_COMPUTE_SHADER;
case ShaderStage::Geometry: return GL_GEOMETRY_SHADER;
#endif
case ShaderStage::Fragment:
default:
return GL_FRAGMENT_SHADER;
}
}
class OpenGLShaderModule : public ShaderModule {
public:
OpenGLShaderModule(GLRenderManager *render, ShaderStage stage, const std::string &tag) : render_(render), stage_(stage), tag_(tag) {
glstage_ = ShaderStageToOpenGL(stage);
}
~OpenGLShaderModule() {
if (shader_)
render_->DeleteShader(shader_);
}
bool Compile(GLRenderManager *render, ShaderLanguage language, const uint8_t *data, size_t dataSize);
GLRShader *GetShader() const {
return shader_;
}
const std::string &GetSource() const { return source_; }
ShaderLanguage GetLanguage() {
return language_;
}
ShaderStage GetStage() const override {
return stage_;
}
private:
GLRenderManager *render_;
ShaderStage stage_;
ShaderLanguage language_ = GLSL_1xx;
GLRShader *shader_ = nullptr;
GLuint glstage_ = 0;
std::string source_; // So we can recompile in case of context loss.
std::string tag_;
};
bool OpenGLShaderModule::Compile(GLRenderManager *render, ShaderLanguage language, const uint8_t *data, size_t dataSize) {
source_ = std::string((const char *)data);
// Add the prelude on automatically.
if (glstage_ == GL_FRAGMENT_SHADER || glstage_ == GL_VERTEX_SHADER) {
if (source_.find("#version") == source_.npos) {
source_ = ApplyGLSLPrelude(source_, glstage_);
}
} else {
// Unsupported shader type
return false;
}
shader_ = render->CreateShader(glstage_, source_, tag_);
_assert_(shader_ != nullptr); // normally can't fail since we defer creation, unless there's a memory error or similar.
return true;
}
struct PipelineLocData : GLRProgramLocData {
GLint samplerLocs_[MAX_TEXTURE_SLOTS]{};
std::vector<GLint> dynamicUniformLocs_;
};
class OpenGLInputLayout : public InputLayout {
public:
OpenGLInputLayout(GLRenderManager *render) : render_(render) {}
~OpenGLInputLayout();
void Compile(const InputLayoutDesc &desc);
GLRInputLayout *inputLayout_ = nullptr;
int stride = 0;
private:
GLRenderManager *render_;
};
class OpenGLPipeline : public Pipeline {
public:
OpenGLPipeline(GLRenderManager *render) : render_(render) {}
~OpenGLPipeline() {
for (auto &iter : shaders) {
iter->Release();
}
if (program_) {
render_->DeleteProgram(program_);
}
// DO NOT delete locs_ here, it's deleted by the render manager.
}
bool LinkShaders(const PipelineDesc &desc);
GLuint prim = 0;
std::vector<OpenGLShaderModule *> shaders;
AutoRef<OpenGLInputLayout> inputLayout;
AutoRef<OpenGLDepthStencilState> depthStencil;
AutoRef<OpenGLBlendState> blend;
AutoRef<OpenGLRasterState> raster;
// Not owned!
PipelineLocData *locs_ = nullptr;
// TODO: Optimize by getting the locations first and putting in a custom struct
UniformBufferDesc dynamicUniforms;
GLRProgram *program_ = nullptr;
// Allow using other sampler names than sampler0, sampler1 etc in shaders.
// If not set, will default to those, though.
Slice<SamplerDef> samplers_;
private:
GLRenderManager *render_;
};
class OpenGLFramebuffer;
class OpenGLTexture;
class OpenGLContext : public DrawContext {
public:
OpenGLContext();
~OpenGLContext();
void SetTargetSize(int w, int h) override {
DrawContext::SetTargetSize(w, h);
renderManager_.Resize(w, h);
}
void SetDebugFlags(DebugFlags flags) override {
debugFlags_ = flags;
}
const DeviceCaps &GetDeviceCaps() const override {
return caps_;
}
uint32_t GetSupportedShaderLanguages() const override {
if (gl_extensions.GLES3) {
return (uint32_t)(ShaderLanguage::GLSL_3xx | ShaderLanguage::GLSL_1xx);
} else {
return (uint32_t)ShaderLanguage::GLSL_1xx;
}
}
uint32_t GetDataFormatSupport(DataFormat fmt) const override;
void SetErrorCallback(ErrorCallbackFn callback, void *userdata) override {
renderManager_.SetErrorCallback(callback, userdata);
}
PresentationMode GetPresentationMode() const override {
// TODO: Fix. Not yet used.
return PresentationMode::FIFO;
}
DepthStencilState *CreateDepthStencilState(const DepthStencilStateDesc &desc) override;
BlendState *CreateBlendState(const BlendStateDesc &desc) override;
SamplerState *CreateSamplerState(const SamplerStateDesc &desc) override;
RasterState *CreateRasterState(const RasterStateDesc &desc) override;
Pipeline *CreateGraphicsPipeline(const PipelineDesc &desc, const char *tag) override;
InputLayout *CreateInputLayout(const InputLayoutDesc &desc) override;
ShaderModule *CreateShaderModule(ShaderStage stage, ShaderLanguage language, const uint8_t *data, size_t dataSize, const char *tag) override;
Texture *CreateTexture(const TextureDesc &desc) override;
Buffer *CreateBuffer(size_t size, uint32_t usageFlags) override;
Framebuffer *CreateFramebuffer(const FramebufferDesc &desc) override;
void BeginFrame() override;
void EndFrame() override;
int GetFrameCount() override {
return frameCount_;
}
void UpdateBuffer(Buffer *buffer, const uint8_t *data, size_t offset, size_t size, UpdateBufferFlags flags) override;
void UpdateTextureLevels(Texture *texture, const uint8_t **data, TextureCallback initDataCallback, int numLevels) override;
void CopyFramebufferImage(Framebuffer *src, int level, int x, int y, int z, Framebuffer *dst, int dstLevel, int dstX, int dstY, int dstZ, int width, int height, int depth, int channelBits, const char *tag) override;
bool BlitFramebuffer(Framebuffer *src, int srcX1, int srcY1, int srcX2, int srcY2, Framebuffer *dst, int dstX1, int dstY1, int dstX2, int dstY2, int channelBits, FBBlitFilter filter, const char *tag) override;
bool CopyFramebufferToMemory(Framebuffer *src, int channelBits, int x, int y, int w, int h, Draw::DataFormat format, void *pixels, int pixelStride, ReadbackMode mode, const char *tag) override;
// These functions should be self explanatory.
void BindFramebufferAsRenderTarget(Framebuffer *fbo, const RenderPassInfo &rp, const char *tag) override;
void BindFramebufferAsTexture(Framebuffer *fbo, int binding, FBChannel channelBit, int layer) override;
void GetFramebufferDimensions(Framebuffer *fbo, int *w, int *h) override;
void BindSamplerStates(int start, int count, SamplerState **states) override {
_assert_(start + count <= MAX_TEXTURE_SLOTS);
for (int i = 0; i < count; i++) {
int index = i + start;
boundSamplers_[index] = static_cast<OpenGLSamplerState *>(states[i]);
}
}
void SetScissorRect(int left, int top, int width, int height) override {
renderManager_.SetScissor({ left, top, width, height });
}
void SetViewport(const Viewport &viewport) override {
// Same structure, different name.
renderManager_.SetViewport((GLRViewport &)viewport);
}
void SetBlendFactor(float color[4]) override {
renderManager_.SetBlendFactor(color);
}
void SetStencilParams(uint8_t refValue, uint8_t writeMask, uint8_t compareMask) override {
stencilRef_ = refValue;
stencilWriteMask_ = writeMask;
stencilCompareMask_ = compareMask;
// Do we need to update on the fly here?
renderManager_.SetStencil(
curPipeline_->depthStencil->stencilEnabled,
curPipeline_->depthStencil->stencilCompareOp,
refValue,
compareMask,
writeMask,
curPipeline_->depthStencil->stencilFail,
curPipeline_->depthStencil->stencilZFail,
curPipeline_->depthStencil->stencilPass);
}
void BindTextures(int start, int count, Texture **textures, TextureBindFlags flags) override;
void BindNativeTexture(int sampler, void *nativeTexture) override;
void BindPipeline(Pipeline *pipeline) override;
void BindVertexBuffers(int start, int count, Buffer **buffers, const int *offsets) override {
_assert_(start + count <= ARRAY_SIZE(curVBuffers_));
for (int i = 0; i < count; i++) {
curVBuffers_[i + start] = (OpenGLBuffer *)buffers[i];
curVBufferOffsets_[i + start] = offsets ? offsets[i] : 0;
}
}
void BindIndexBuffer(Buffer *indexBuffer, int offset) override {
curIBuffer_ = (OpenGLBuffer *)indexBuffer;
curIBufferOffset_ = offset;
}
void UpdateDynamicUniformBuffer(const void *ub, size_t size) override;
// TODO: Add more sophisticated draws.
void Draw(int vertexCount, int offset) override;
void DrawIndexed(int vertexCount, int offset) override;
void DrawUP(const void *vdata, int vertexCount) override;
void Clear(int mask, uint32_t colorval, float depthVal, int stencilVal) override;
std::string GetInfoString(InfoField info) const override {
// TODO: Make these actually query the right information
switch (info) {
case APINAME:
if (gl_extensions.IsGLES) {
return "OpenGL ES";
} else {
return "OpenGL";
}
case VENDORSTRING: return renderManager_.GetGLString(GL_VENDOR);
case VENDOR:
switch (caps_.vendor) {
case GPUVendor::VENDOR_AMD: return "VENDOR_AMD";
case GPUVendor::VENDOR_IMGTEC: return "VENDOR_POWERVR";
case GPUVendor::VENDOR_NVIDIA: return "VENDOR_NVIDIA";
case GPUVendor::VENDOR_INTEL: return "VENDOR_INTEL";
case GPUVendor::VENDOR_QUALCOMM: return "VENDOR_ADRENO";
case GPUVendor::VENDOR_ARM: return "VENDOR_ARM";
case GPUVendor::VENDOR_BROADCOM: return "VENDOR_BROADCOM";
case GPUVendor::VENDOR_VIVANTE: return "VENDOR_VIVANTE";
case GPUVendor::VENDOR_APPLE: return "VENDOR_APPLE";
case GPUVendor::VENDOR_UNKNOWN:
default:
return "VENDOR_UNKNOWN";
}
break;
case DRIVER: return renderManager_.GetGLString(GL_RENDERER);
case SHADELANGVERSION: return renderManager_.GetGLString(GL_SHADING_LANGUAGE_VERSION);
case APIVERSION: return renderManager_.GetGLString(GL_VERSION);
default: return "?";
}
}
uint64_t GetNativeObject(NativeObject obj, void *srcObject) override;
void HandleEvent(Event ev, int width, int height, void *param1, void *param2) override {}
void Invalidate(InvalidationFlags flags) override;
void SetInvalidationCallback(InvalidationCallback callback) override {
renderManager_.SetInvalidationCallback(callback);
}
private:
void ApplySamplers();
GLRenderManager renderManager_;
int frameCount_ = 0;
DeviceCaps caps_{};
// Bound state
AutoRef<OpenGLSamplerState> boundSamplers_[MAX_TEXTURE_SLOTS];
// Point to GLRTexture directly because they can point to the textures
// in framebuffers too (which also can be bound).
const GLRTexture *boundTextures_[MAX_TEXTURE_SLOTS]{};
AutoRef<OpenGLPipeline> curPipeline_;
AutoRef<OpenGLBuffer> curVBuffers_[4]{};
int curVBufferOffsets_[4]{};
AutoRef<OpenGLBuffer> curIBuffer_;
int curIBufferOffset_ = 0;
AutoRef<Framebuffer> curRenderTarget_;
uint8_t stencilRef_ = 0;
uint8_t stencilWriteMask_ = 0;
uint8_t stencilCompareMask_ = 0;
// Frames in flight is not such a strict concept as with Vulkan until we start using glBufferStorage and fences.
// But might as well have the structure ready, and can't hurt to rotate buffers.
struct FrameData {
GLPushBuffer *push;
};
FrameData frameData_[GLRenderManager::MAX_INFLIGHT_FRAMES]{};
DebugFlags debugFlags_ = DebugFlags::NONE;
};
static constexpr int MakeIntelSimpleVer(int v1, int v2, int v3) {
return (v1 << 16) | (v2 << 8) | v3;
}
static bool HasIntelDualSrcBug(const int versions[4]) {
// Intel uses a confusing set of at least 3 version numbering schemes. This is the one given to OpenGL.
switch (MakeIntelSimpleVer(versions[0], versions[1], versions[2])) {
case MakeIntelSimpleVer(9, 17, 10):
case MakeIntelSimpleVer(9, 18, 10):
return false;
case MakeIntelSimpleVer(10, 18, 10):
return versions[3] < 4061;
case MakeIntelSimpleVer(10, 18, 14):
return versions[3] < 4080;
default:
// Older than above didn't support dual src anyway, newer should have the fix.
return false;
}
}
OpenGLContext::OpenGLContext() {
if (gl_extensions.IsGLES) {
if (gl_extensions.OES_packed_depth_stencil || gl_extensions.OES_depth24) {
caps_.preferredDepthBufferFormat = DataFormat::D24_S8;
} else {
caps_.preferredDepthBufferFormat = DataFormat::D16;
}
if (gl_extensions.GLES3) {
// Mali reports 30 but works fine...
if (gl_extensions.range[1][5][1] >= 30) {
caps_.fragmentShaderInt32Supported = true;
}
}
caps_.texture3DSupported = gl_extensions.OES_texture_3D;
caps_.textureDepthSupported = gl_extensions.GLES3 || gl_extensions.OES_depth_texture;
} else {
if (gl_extensions.VersionGEThan(3, 3, 0)) {
caps_.fragmentShaderInt32Supported = true;
}
caps_.preferredDepthBufferFormat = DataFormat::D24_S8;
caps_.texture3DSupported = true;
caps_.textureDepthSupported = true;
}
caps_.dualSourceBlend = gl_extensions.ARB_blend_func_extended || gl_extensions.EXT_blend_func_extended;
caps_.anisoSupported = gl_extensions.EXT_texture_filter_anisotropic;
caps_.framebufferCopySupported = gl_extensions.OES_copy_image || gl_extensions.NV_copy_image || gl_extensions.EXT_copy_image || gl_extensions.ARB_copy_image;
caps_.framebufferBlitSupported = gl_extensions.NV_framebuffer_blit || gl_extensions.ARB_framebuffer_object || gl_extensions.GLES3;
caps_.framebufferDepthBlitSupported = caps_.framebufferBlitSupported;
caps_.framebufferStencilBlitSupported = caps_.framebufferBlitSupported;
caps_.depthClampSupported = gl_extensions.ARB_depth_clamp || gl_extensions.EXT_depth_clamp;
caps_.blendMinMaxSupported = gl_extensions.EXT_blend_minmax;
caps_.multiSampleLevelsMask = 1; // More could be supported with some work.
if (gl_extensions.IsGLES) {
caps_.clipDistanceSupported = gl_extensions.EXT_clip_cull_distance || gl_extensions.APPLE_clip_distance;
caps_.cullDistanceSupported = gl_extensions.EXT_clip_cull_distance;
} else {
caps_.clipDistanceSupported = gl_extensions.VersionGEThan(3, 0);
caps_.cullDistanceSupported = gl_extensions.ARB_cull_distance;
}
caps_.textureNPOTFullySupported =
(!gl_extensions.IsGLES && gl_extensions.VersionGEThan(2, 0, 0)) ||
gl_extensions.IsCoreContext || gl_extensions.GLES3 ||
gl_extensions.ARB_texture_non_power_of_two || gl_extensions.OES_texture_npot;
if (gl_extensions.IsGLES) {
caps_.fragmentShaderDepthWriteSupported = gl_extensions.GLES3;
// There's also GL_EXT_frag_depth but it's rare along with 2.0. Most chips that support it are simply 3.0 chips.
} else {
caps_.fragmentShaderDepthWriteSupported = true;
}
caps_.fragmentShaderStencilWriteSupported = gl_extensions.ARB_shader_stencil_export;
// GLES has no support for logic framebuffer operations. There doesn't even seem to exist any such extensions.
caps_.logicOpSupported = !gl_extensions.IsGLES;
// Interesting potential hack for emulating GL_DEPTH_CLAMP (use a separate varying, force depth in fragment shader):
// This will induce a performance penalty on many architectures though so a blanket enable of this
// is probably not a good idea.
// https://stackoverflow.com/questions/5960757/how-to-emulate-gl-depth-clamp-nv
switch (gl_extensions.gpuVendor) {
case GPU_VENDOR_AMD: caps_.vendor = GPUVendor::VENDOR_AMD; break;
case GPU_VENDOR_NVIDIA: caps_.vendor = GPUVendor::VENDOR_NVIDIA; break;
case GPU_VENDOR_ARM: caps_.vendor = GPUVendor::VENDOR_ARM; break;
case GPU_VENDOR_QUALCOMM: caps_.vendor = GPUVendor::VENDOR_QUALCOMM; break;
case GPU_VENDOR_BROADCOM: caps_.vendor = GPUVendor::VENDOR_BROADCOM; break;
case GPU_VENDOR_INTEL: caps_.vendor = GPUVendor::VENDOR_INTEL; break;
case GPU_VENDOR_IMGTEC: caps_.vendor = GPUVendor::VENDOR_IMGTEC; break;
case GPU_VENDOR_VIVANTE: caps_.vendor = GPUVendor::VENDOR_VIVANTE; break;
case GPU_VENDOR_APPLE: caps_.vendor = GPUVendor::VENDOR_APPLE; break;
case GPU_VENDOR_UNKNOWN:
default:
caps_.vendor = GPUVendor::VENDOR_UNKNOWN;
break;
}
// Hide D3D9 when we know it likely won't work well.
#if PPSSPP_PLATFORM(WINDOWS)
caps_.supportsD3D9 = true;
if (!strcmp(gl_extensions.model, "Intel(R) Iris(R) Xe Graphics")) {
caps_.supportsD3D9 = false;
}
#endif
// Very rough heuristic!
caps_.isTilingGPU = gl_extensions.IsGLES && caps_.vendor != GPUVendor::VENDOR_NVIDIA && caps_.vendor != GPUVendor::VENDOR_INTEL;
for (int i = 0; i < GLRenderManager::MAX_INFLIGHT_FRAMES; i++) {
frameData_[i].push = renderManager_.CreatePushBuffer(i, GL_ARRAY_BUFFER, 64 * 1024, "thin3d_vbuf");
}
if (!gl_extensions.VersionGEThan(3, 0, 0)) {
// Don't use this extension on sub 3.0 OpenGL versions as it does not seem reliable.
bugs_.Infest(Bugs::DUAL_SOURCE_BLENDING_BROKEN);
} else if (caps_.vendor == GPUVendor::VENDOR_INTEL) {
// Note: this is for Intel drivers with GL3+.
// Also on Intel, see https://github.com/hrydgard/ppsspp/issues/10117
// TODO: Remove entirely sometime reasonably far in driver years after 2015.
const std::string ver = GetInfoString(Draw::InfoField::APIVERSION);
int versions[4]{};
if (sscanf(ver.c_str(), "Build %d.%d.%d.%d", &versions[0], &versions[1], &versions[2], &versions[3]) == 4) {
if (HasIntelDualSrcBug(versions)) {
bugs_.Infest(Bugs::DUAL_SOURCE_BLENDING_BROKEN);
}
}
}
#if PPSSPP_ARCH(ARMV7)
if (caps_.vendor == GPUVendor::VENDOR_BROADCOM) {
bugs_.Infest(Bugs::RASPBERRY_SHADER_COMP_HANG);
}
#endif
// Try to detect old Tegra chips by checking for sub 3.0 GL versions. Like Vivante and Broadcom,
// those can't handle NaN values in conditionals.
if (caps_.vendor == GPUVendor::VENDOR_VIVANTE ||
caps_.vendor == GPUVendor::VENDOR_BROADCOM ||
(caps_.vendor == GPUVendor::VENDOR_NVIDIA && !gl_extensions.VersionGEThan(3, 0, 0))) {
bugs_.Infest(Bugs::BROKEN_NAN_IN_CONDITIONAL);
}
// TODO: Make this check more lenient. Disabled for all right now
// because it murders performance on Mali.
if (caps_.vendor != GPUVendor::VENDOR_NVIDIA) {
bugs_.Infest(Bugs::ANY_MAP_BUFFER_RANGE_SLOW);
}
if (caps_.vendor == GPUVendor::VENDOR_IMGTEC) {
// See https://github.com/hrydgard/ppsspp/commit/8974cd675e538f4445955e3eac572a9347d84232
// TODO: Should this workaround be removed for newer devices/drivers?
bugs_.Infest(Bugs::PVR_GENMIPMAP_HEIGHT_GREATER);
}
if (caps_.vendor == GPUVendor::VENDOR_QUALCOMM) {
#if PPSSPP_PLATFORM(ANDROID)
// The bug seems to affect Adreno 3xx and 5xx, and appeared in Android 8.0 Oreo, so API 26.
// See https://github.com/hrydgard/ppsspp/issues/16015#issuecomment-1328316080.
if (gl_extensions.modelNumber < 600 && System_GetPropertyInt(SYSPROP_SYSTEMVERSION) >= 26)
bugs_.Infest(Bugs::ADRENO_RESOURCE_DEADLOCK);
#endif
}
#if PPSSPP_PLATFORM(IOS)
// For some reason, this bug does not appear on M1.
if (caps_.vendor == GPUVendor::VENDOR_APPLE) {
bugs_.Infest(Bugs::BROKEN_FLAT_IN_SHADER);
}
#endif
shaderLanguageDesc_.Init(GLSL_1xx);
shaderLanguageDesc_.glslVersionNumber = gl_extensions.GLSLVersion();
snprintf(shaderLanguageDesc_.driverInfo, sizeof(shaderLanguageDesc_.driverInfo),
"%s - GLSL %d", gl_extensions.model, gl_extensions.GLSLVersion());
// Detect shader language features.
if (gl_extensions.IsGLES) {
shaderLanguageDesc_.gles = true;
if (gl_extensions.GLES3) {
shaderLanguageDesc_.shaderLanguage = ShaderLanguage::GLSL_3xx;
shaderLanguageDesc_.fragColor0 = "fragColor0";
shaderLanguageDesc_.texture = "texture";
shaderLanguageDesc_.texture3D = "texture";
shaderLanguageDesc_.glslES30 = true;
shaderLanguageDesc_.bitwiseOps = true;
shaderLanguageDesc_.texelFetch = "texelFetch";
shaderLanguageDesc_.varying_vs = "out";
shaderLanguageDesc_.varying_fs = "in";
shaderLanguageDesc_.attribute = "in";
} else {
shaderLanguageDesc_.shaderLanguage = ShaderLanguage::GLSL_1xx;
if (gl_extensions.EXT_gpu_shader4) {
shaderLanguageDesc_.bitwiseOps = true;
shaderLanguageDesc_.texelFetch = "texelFetch2D";
}
if (gl_extensions.EXT_blend_func_extended) {
// Oldy moldy GLES, so use the fixed output name.
shaderLanguageDesc_.fragColor1 = "gl_SecondaryFragColorEXT";
}
}
} else {
// I don't know why we were checking for IsCoreContext here before.
if (gl_extensions.VersionGEThan(3, 3, 0)) {
shaderLanguageDesc_.shaderLanguage = ShaderLanguage::GLSL_3xx;
shaderLanguageDesc_.fragColor0 = "fragColor0";
shaderLanguageDesc_.texture = "texture";
shaderLanguageDesc_.texture3D = "texture";
shaderLanguageDesc_.glslES30 = true;
shaderLanguageDesc_.bitwiseOps = true;
shaderLanguageDesc_.texelFetch = "texelFetch";
shaderLanguageDesc_.varying_vs = "out";
shaderLanguageDesc_.varying_fs = "in";
shaderLanguageDesc_.attribute = "in";
} else if (gl_extensions.VersionGEThan(3, 0, 0)) {
shaderLanguageDesc_.shaderLanguage = ShaderLanguage::GLSL_1xx;
shaderLanguageDesc_.fragColor0 = "fragColor0";
shaderLanguageDesc_.texture = "texture";
shaderLanguageDesc_.texture3D = "texture";
shaderLanguageDesc_.bitwiseOps = true;
shaderLanguageDesc_.texelFetch = "texelFetch";
shaderLanguageDesc_.varying_vs = "out";
shaderLanguageDesc_.varying_fs = "in";
shaderLanguageDesc_.attribute = "in";
} else {
// This too...
shaderLanguageDesc_.shaderLanguage = ShaderLanguage::GLSL_1xx;
if (gl_extensions.EXT_gpu_shader4) {
// Older macOS devices seem to have problems defining uint uniforms.
// Let's just assume OpenGL 3.0+ is required.
shaderLanguageDesc_.bitwiseOps = gl_extensions.VersionGEThan(3, 0, 0);
shaderLanguageDesc_.texelFetch = "texelFetch2D";
}
}
}
// NOTE: We only support framebuffer fetch on ES3 due to past issues..
if (gl_extensions.IsGLES && gl_extensions.GLES3) {
caps_.framebufferFetchSupported = (gl_extensions.EXT_shader_framebuffer_fetch || gl_extensions.ARM_shader_framebuffer_fetch);
if (gl_extensions.EXT_shader_framebuffer_fetch) {
shaderLanguageDesc_.framebufferFetchExtension = "#extension GL_EXT_shader_framebuffer_fetch : require";
shaderLanguageDesc_.lastFragData = gl_extensions.GLES3 ? "fragColor0" : "gl_LastFragData[0]";
} else if (gl_extensions.ARM_shader_framebuffer_fetch) {
shaderLanguageDesc_.framebufferFetchExtension = "#extension GL_ARM_shader_framebuffer_fetch : require";
shaderLanguageDesc_.lastFragData = "gl_LastFragColorARM";
}
}
renderManager_.SetDeviceCaps(caps_);
}
OpenGLContext::~OpenGLContext() {
DestroyPresets();
for (int i = 0; i < GLRenderManager::MAX_INFLIGHT_FRAMES; i++) {
renderManager_.DeletePushBuffer(frameData_[i].push);
}
}
void OpenGLContext::BeginFrame() {
renderManager_.BeginFrame(debugFlags_ & DebugFlags::PROFILE_TIMESTAMPS);
FrameData &frameData = frameData_[renderManager_.GetCurFrame()];
renderManager_.BeginPushBuffer(frameData.push);
}
void OpenGLContext::EndFrame() {
FrameData &frameData = frameData_[renderManager_.GetCurFrame()];
renderManager_.EndPushBuffer(frameData.push); // upload the data!
renderManager_.Finish();
Invalidate(InvalidationFlags::CACHED_RENDER_STATE);
frameCount_++;
}
void OpenGLContext::Invalidate(InvalidationFlags flags) {
if (flags & InvalidationFlags::CACHED_RENDER_STATE) {
// Unbind stuff.
for (auto &texture : boundTextures_) {
texture = nullptr;
}
for (auto &sampler : boundSamplers_) {
sampler = nullptr;
}
curPipeline_ = nullptr;
}
}
InputLayout *OpenGLContext::CreateInputLayout(const InputLayoutDesc &desc) {
OpenGLInputLayout *fmt = new OpenGLInputLayout(&renderManager_);
fmt->Compile(desc);
return fmt;
}
static GLuint TypeToTarget(TextureType type) {
switch (type) {
#ifndef USING_GLES2
case TextureType::LINEAR1D: return GL_TEXTURE_1D;
#endif
case TextureType::LINEAR2D: return GL_TEXTURE_2D;
case TextureType::LINEAR3D: return GL_TEXTURE_3D;
case TextureType::CUBE: return GL_TEXTURE_CUBE_MAP;
#ifndef USING_GLES2
case TextureType::ARRAY1D: return GL_TEXTURE_1D_ARRAY;
#endif
case TextureType::ARRAY2D: return GL_TEXTURE_2D_ARRAY;
default:
ERROR_LOG(G3D, "Bad texture type %d", (int)type);
return GL_NONE;
}
}
class OpenGLTexture : public Texture {
public:
OpenGLTexture(GLRenderManager *render, const TextureDesc &desc);
~OpenGLTexture();
bool HasMips() const {
return mipLevels_ > 1 || generatedMips_;
}
TextureType GetType() const { return type_; }
void Bind(int stage) {
render_->BindTexture(stage, tex_);
}
int NumMipmaps() const {
return mipLevels_;
}
const GLRTexture *GetTex() const {
return tex_;
}
void UpdateTextureLevels(GLRenderManager *render, const uint8_t *const *data, int numLevels, TextureCallback initDataCallback);
private:
void SetImageData(int x, int y, int z, int width, int height, int depth, int level, int stride, const uint8_t *data, TextureCallback initDataCallback);
GLRenderManager *render_;
GLRTexture *tex_;
TextureType type_;
int mipLevels_;
bool generateMips_; // Generate mips requested
bool generatedMips_; // Has generated mips
};
OpenGLTexture::OpenGLTexture(GLRenderManager *render, const TextureDesc &desc) : render_(render) {
_dbg_assert_(desc.format != Draw::DataFormat::UNDEFINED);
_dbg_assert_(desc.width > 0 && desc.height > 0 && desc.depth > 0);
_dbg_assert_(type_ != Draw::TextureType::UNKNOWN);
generatedMips_ = false;
generateMips_ = desc.generateMips;
width_ = desc.width;
height_ = desc.height;
depth_ = desc.depth;
format_ = desc.format;
type_ = desc.type;
GLenum target = TypeToTarget(desc.type);
tex_ = render->CreateTexture(target, desc.width, desc.height, 1, desc.mipLevels);
mipLevels_ = desc.mipLevels;
if (desc.initData.empty())
return;
UpdateTextureLevels(render, desc.initData.data(), (int)desc.initData.size(), desc.initDataCallback);
}
void OpenGLTexture::UpdateTextureLevels(GLRenderManager *render, const uint8_t * const *data, int numLevels, TextureCallback initDataCallback) {
int level = 0;
int width = width_;
int height = height_;
int depth = depth_;
for (int i = 0; i < numLevels; i++) {
SetImageData(0, 0, 0, width, height, depth, level, 0, data[i], initDataCallback);
width = (width + 1) / 2;
height = (height + 1) / 2;
depth = (depth + 1) / 2;
level++;
}
mipLevels_ = generateMips_ ? mipLevels_ : level;
bool genMips = false;
if (numLevels < mipLevels_ && generateMips_) {
// Assumes the texture is bound for editing
genMips = true;
generatedMips_ = true;
}
render->FinalizeTexture(tex_, mipLevels_, genMips);
}
OpenGLTexture::~OpenGLTexture() {
if (tex_) {
render_->DeleteTexture(tex_);
tex_ = 0;
generatedMips_ = false;
}
}
class OpenGLFramebuffer : public Framebuffer {
public:
OpenGLFramebuffer(GLRenderManager *render, GLRFramebuffer *framebuffer) : render_(render), framebuffer_(framebuffer) {
width_ = framebuffer->width;
height_ = framebuffer->height;
}
~OpenGLFramebuffer() {
render_->DeleteFramebuffer(framebuffer_);
}
GLRenderManager *render_;
GLRFramebuffer *framebuffer_ = nullptr;
};
void OpenGLTexture::SetImageData(int x, int y, int z, int width, int height, int depth, int level, int stride, const uint8_t *data, TextureCallback initDataCallback) {
if ((width != width_ || height != height_ || depth != depth_) && level == 0) {
// When switching to texStorage we need to handle this correctly.
width_ = width;
height_ = height;
depth_ = depth;
}
if (stride == 0)
stride = width;
size_t alignment = DataFormatSizeInBytes(format_);
// Make a copy of data with stride eliminated.
uint8_t *texData = new uint8_t[(size_t)(width * height * depth * alignment)];
bool texDataPopulated = false;
if (initDataCallback) {
texDataPopulated = initDataCallback(texData, data, width, height, depth, width * (int)alignment, height * width * (int)alignment);
}
if (texDataPopulated) {
if (format_ == DataFormat::A1R5G5B5_UNORM_PACK16) {
format_ = DataFormat::R5G5B5A1_UNORM_PACK16;
ConvertBGRA5551ToABGR1555((u16 *)texData, (const u16 *)texData, width * height * depth);
}
} else {
// Emulate support for DataFormat::A1R5G5B5_UNORM_PACK16.
if (format_ == DataFormat::A1R5G5B5_UNORM_PACK16) {
format_ = DataFormat::R5G5B5A1_UNORM_PACK16;
for (int y = 0; y < height; y++) {
ConvertBGRA5551ToABGR1555((u16 *)(texData + y * width * alignment), (const u16 *)(data + y * stride * alignment), width);
}
} else {
for (int y = 0; y < height; y++) {
memcpy(texData + y * width * alignment, data + y * stride * alignment, width * alignment);
}
}
}
render_->TextureImage(tex_, level, width, height, depth, format_, texData);
}
#ifdef DEBUG_READ_PIXELS
// TODO: Make more generic.
static void LogReadPixelsError(GLenum error) {
switch (error) {
case GL_NO_ERROR:
break;
case GL_INVALID_ENUM:
ERROR_LOG(G3D, "glReadPixels: GL_INVALID_ENUM");
break;
case GL_INVALID_VALUE:
ERROR_LOG(G3D, "glReadPixels: GL_INVALID_VALUE");
break;
case GL_INVALID_OPERATION:
ERROR_LOG(G3D, "glReadPixels: GL_INVALID_OPERATION");
break;