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GSdx: Clang format
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-  plugins/GSdx/Renderers/OpenGL/GLLoader.cpp
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@RedDevilus @lightningterror
RedDevilus authored and lightningterror committed Oct 27, 2020
1 parent 6366284 commit 809c8bf
Showing 1 changed file with 104 additions and 65 deletions.
169 changes: 104 additions & 65 deletions plugins/GSdx/Renderers/OpenGL/GLLoader.cpp
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Expand Up @@ -24,13 +24,14 @@
#include "GS.h"

#ifdef __unix__
PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate = NULL;
PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate = NULL;
#endif
PFNGLTEXTUREPAGECOMMITMENTEXTPROC glTexturePageCommitmentEXT = NULL;
PFNGLTEXTUREPAGECOMMITMENTEXTPROC glTexturePageCommitmentEXT = NULL;

#include "PFN_GLLOADER_CPP.h"

namespace GLExtension {
namespace GLExtension
{

static std::unordered_set<std::string> s_extensions;

Expand All @@ -46,9 +47,10 @@ namespace GLExtension {
else
s_extensions.erase(ext);
}
}
} // namespace GLExtension

namespace ReplaceGL {
namespace ReplaceGL
{
void APIENTRY ScissorIndexed(GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height)
{
glScissor(left, bottom, width, height);
Expand All @@ -63,96 +65,113 @@ namespace ReplaceGL {
{
}

}
} // namespace ReplaceGL

#ifdef _WIN32
namespace Emulate_DSA {
namespace Emulate_DSA
{
// Texture entry point
void APIENTRY BindTextureUnit(GLuint unit, GLuint texture) {
void APIENTRY BindTextureUnit(GLuint unit, GLuint texture)
{
glActiveTexture(GL_TEXTURE0 + unit);
glBindTexture(GL_TEXTURE_2D, texture);
}

void APIENTRY CreateTexture(GLenum target, GLsizei n, GLuint *textures) {
void APIENTRY CreateTexture(GLenum target, GLsizei n, GLuint* textures)
{
glGenTextures(1, textures);
}

void APIENTRY TextureStorage(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) {
void APIENTRY TextureStorage(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height)
{
BindTextureUnit(7, texture);
glTexStorage2D(GL_TEXTURE_2D, levels, internalformat, width, height);
}

void APIENTRY TextureSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels) {
void APIENTRY TextureSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels)
{
BindTextureUnit(7, texture);
glTexSubImage2D(GL_TEXTURE_2D, level, xoffset, yoffset, width, height, format, type, pixels);
}

void APIENTRY CopyTextureSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) {
void APIENTRY CopyTextureSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
{
BindTextureUnit(7, texture);
glCopyTexSubImage2D(GL_TEXTURE_2D, level, xoffset, yoffset, x, y, width, height);
}

void APIENTRY GetTexureImage(GLuint texture, GLint level, GLenum format, GLenum type, GLsizei bufSize, void *pixels) {
void APIENTRY GetTexureImage(GLuint texture, GLint level, GLenum format, GLenum type, GLsizei bufSize, void* pixels)
{
BindTextureUnit(7, texture);
glGetTexImage(GL_TEXTURE_2D, level, format, type, pixels);
}

void APIENTRY TextureParameteri (GLuint texture, GLenum pname, GLint param) {
void APIENTRY TextureParameteri(GLuint texture, GLenum pname, GLint param)
{
BindTextureUnit(7, texture);
glTexParameteri(GL_TEXTURE_2D, pname, param);
}

void APIENTRY GenerateTextureMipmap(GLuint texture) {
void APIENTRY GenerateTextureMipmap(GLuint texture)
{
BindTextureUnit(7, texture);
glGenerateMipmap(GL_TEXTURE_2D);
}

// Misc entry point
// (only purpose is to have a consistent API otherwise it is useless)
void APIENTRY CreateProgramPipelines(GLsizei n, GLuint *pipelines) {
void APIENTRY CreateProgramPipelines(GLsizei n, GLuint* pipelines)
{
glGenProgramPipelines(n, pipelines);
}

void APIENTRY CreateSamplers(GLsizei n, GLuint *samplers) {
void APIENTRY CreateSamplers(GLsizei n, GLuint* samplers)
{
glGenSamplers(n, samplers);
}

// Replace function pointer to emulate DSA behavior
void Init() {
void Init()
{
fprintf(stderr, "DSA is not supported. Expect slower performance\n");
glBindTextureUnit = BindTextureUnit;
glCreateTextures = CreateTexture;
glTextureStorage2D = TextureStorage;
glTextureSubImage2D = TextureSubImage;
glCopyTextureSubImage2D = CopyTextureSubImage;
glGetTextureImage = GetTexureImage;
glTextureParameteri = TextureParameteri;

glCreateProgramPipelines = CreateProgramPipelines;
glCreateSamplers = CreateSamplers;
glBindTextureUnit = BindTextureUnit;
glCreateTextures = CreateTexture;
glTextureStorage2D = TextureStorage;
glTextureSubImage2D = TextureSubImage;
glCopyTextureSubImage2D = CopyTextureSubImage;
glGetTextureImage = GetTexureImage;
glTextureParameteri = TextureParameteri;

glCreateProgramPipelines = CreateProgramPipelines;
glCreateSamplers = CreateSamplers;
}
}
} // namespace Emulate_DSA
#endif

namespace GLLoader {
namespace GLLoader
{

#define fprintf_once(out, ...) do if (s_first_load) fprintf(out, __VA_ARGS__); while(0);
#define fprintf_once(out, ...) \
do \
if (s_first_load) \
fprintf(out, __VA_ARGS__); \
while (0);

bool s_first_load = true;

bool amd_legacy_buggy_driver = false;
bool vendor_id_amd = false;
bool vendor_id_nvidia = false;
bool vendor_id_intel = false;
bool mesa_driver = false;
bool in_replayer = false;
bool vendor_id_amd = false;
bool vendor_id_nvidia = false;
bool vendor_id_intel = false;
bool mesa_driver = false;
bool in_replayer = false;
bool buggy_sso_dual_src = false;

bool found_geometry_shader = true; // we require GL3.3 so geometry must be supported by default
bool found_GL_ARB_clear_texture = false;
bool found_GL_ARB_get_texture_sub_image = false; // Not yet used
// DX11 GPU
bool found_GL_ARB_gpu_shader5 = false; // Require IvyBridge
bool found_GL_ARB_gpu_shader5 = false; // Require IvyBridge
bool found_GL_ARB_shader_image_load_store = false; // Intel IB. Nvidia/AMD miss Mesa implementation.
bool found_GL_ARB_shader_storage_buffer_object = false;
bool found_GL_ARB_compute_shader = false;
Expand All @@ -168,7 +187,8 @@ namespace GLLoader {

static void mandatory(const std::string& ext)
{
if (!GLExtension::Has(ext)) {
if (!GLExtension::Has(ext))
{
fprintf(stderr, "ERROR: %s is NOT SUPPORTED\n", ext.c_str());
throw GSDXRecoverableError();
}
Expand All @@ -180,16 +200,20 @@ namespace GLLoader {
{
bool found = GLExtension::Has(name);

if (!found) {
if (!found)
{
fprintf_once(stdout, "INFO: %s is NOT SUPPORTED\n", name.c_str());
} else {
}
else
{
fprintf_once(stdout, "INFO: %s is available\n", name.c_str());
}

std::string opt("override_");
opt += name;

if (theApp.GetConfigI(opt.c_str()) != -1) {
if (theApp.GetConfigI(opt.c_str()) != -1)
{
found = theApp.GetConfigB(opt.c_str());
fprintf(stderr, "Override %s detection (%s)\n", name.c_str(), found ? "Enabled" : "Disabled");
GLExtension::Set(name, found);
Expand All @@ -201,12 +225,14 @@ namespace GLLoader {
void check_gl_version(int major, int minor)
{
const GLubyte* s = glGetString(GL_VERSION);
if (s == NULL) {
if (s == NULL)
{
fprintf(stderr, "Error: GLLoader failed to get GL version\n");
throw GSDXRecoverableError();
}
GLuint v = 1;
while (s[v] != '\0' && s[v-1] != ' ') v++;
while (s[v] != '\0' && s[v - 1] != ' ')
v++;

const char* vendor = (const char*)glGetString(GL_VENDOR);
fprintf_once(stdout, "OpenGL information. GPU: %s. Vendor: %s. Driver: %s\n", glGetString(GL_RENDERER), vendor, &s[v]);
Expand Down Expand Up @@ -239,7 +265,8 @@ namespace GLLoader {
// As of 2019 SSO is still broken on intel (Kaby Lake confirmed).
buggy_sso_dual_src = vendor_id_intel || vendor_id_amd /*|| amd_legacy_buggy_driver*/;

if (theApp.GetConfigI("override_geometry_shader") != -1) {
if (theApp.GetConfigI("override_geometry_shader") != -1)
{
found_geometry_shader = theApp.GetConfigB("override_geometry_shader");
GLExtension::Set("GL_ARB_geometry_shader4", found_geometry_shader);
fprintf(stderr, "Overriding geometry shaders detection\n");
Expand All @@ -249,17 +276,19 @@ namespace GLLoader {
GLint minor_gl = 0;
glGetIntegerv(GL_MAJOR_VERSION, &major_gl);
glGetIntegerv(GL_MINOR_VERSION, &minor_gl);
if ( (major_gl < major) || ( major_gl == major && minor_gl < minor ) ) {
if ((major_gl < major) || (major_gl == major && minor_gl < minor))
{
fprintf(stderr, "OpenGL %d.%d is not supported. Only OpenGL %d.%d\n was found", major, minor, major_gl, minor_gl);
throw GSDXRecoverableError();
}
}
}

void check_gl_supported_extension()
{
int max_ext = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &max_ext);
for (GLint i = 0; i < max_ext; i++) {
for (GLint i = 0; i < max_ext; i++)
{
std::string ext{(const char*)glGetStringi(GL_EXTENSIONS, i)};
GLExtension::Set(ext);
//fprintf(stderr, "DEBUG ext: %s\n", ext.c_str());
Expand All @@ -279,7 +308,8 @@ namespace GLLoader {
}

// Only for HW renderer
if (theApp.GetCurrentRendererType() == GSRendererType::OGL_HW) {
if (theApp.GetCurrentRendererType() == GSRendererType::OGL_HW)
{
mandatory("GL_ARB_copy_image");
mandatory("GL_ARB_clip_control");
}
Expand Down Expand Up @@ -309,33 +339,38 @@ namespace GLLoader {
found_GL_ARB_get_texture_sub_image = optional("GL_ARB_get_texture_sub_image");
}

if (vendor_id_amd) {
if (vendor_id_amd)
{
fprintf_once(stderr, "The OpenGL hardware renderer is slow on AMD GPUs due to an inefficient driver.\n"
"Check out the link below for further information.\n"
"https://github.com/PCSX2/pcsx2/wiki/OpenGL-and-AMD-GPUs---All-you-need-to-know\n");
"Check out the link below for further information.\n"
"https://github.com/PCSX2/pcsx2/wiki/OpenGL-and-AMD-GPUs---All-you-need-to-know\n");
}

if (vendor_id_intel && (!GLExtension::Has("GL_ARB_texture_barrier") || !GLExtension::Has("GL_ARB_direct_state_access"))) {
if (vendor_id_intel && (!GLExtension::Has("GL_ARB_texture_barrier") || !GLExtension::Has("GL_ARB_direct_state_access")))
{
// Assume that driver support is good when texture barrier and DSA is supported, disable the log then.
fprintf_once(stderr, "The OpenGL renderer is inefficient on Intel GPUs due to an inefficient driver.\n"
"Check out the link below for further information.\n"
"https://github.com/PCSX2/pcsx2/wiki/OpenGL-and-Intel-GPUs-All-you-need-to-know\n");
"Check out the link below for further information.\n"
"https://github.com/PCSX2/pcsx2/wiki/OpenGL-and-Intel-GPUs-All-you-need-to-know\n");
}

if (!GLExtension::Has("GL_ARB_viewport_array")) {
glScissorIndexed = ReplaceGL::ScissorIndexed;
if (!GLExtension::Has("GL_ARB_viewport_array"))
{
glScissorIndexed = ReplaceGL::ScissorIndexed;
glViewportIndexedf = ReplaceGL::ViewportIndexedf;
fprintf_once(stderr, "GL_ARB_viewport_array is not supported! Function pointer will be replaced\n");
}

if (!GLExtension::Has("GL_ARB_texture_barrier")) {
if (!GLExtension::Has("GL_ARB_texture_barrier"))
{
glTextureBarrier = ReplaceGL::TextureBarrier;
fprintf_once(stderr, "GL_ARB_texture_barrier is not supported! Blending emulation will not be supported\n");
}

#ifdef _WIN32
// Thank you Intel for not providing support of basic features on your IGPUs.
if (!GLExtension::Has("GL_ARB_direct_state_access")) {
if (!GLExtension::Has("GL_ARB_direct_state_access"))
{
Emulate_DSA::Init();
}
#endif
Expand All @@ -345,17 +380,19 @@ namespace GLLoader {
{
GLint index_count = 0;
glGetInternalformativ(GL_TEXTURE_2D, internal_fmt, GL_NUM_VIRTUAL_PAGE_SIZES_ARB, 1, &index_count);
if (!index_count) {
if (!index_count)
{
fprintf_once(stdout, "%s isn't sparse compatible. No index found\n", name);
return false;
}

GLint x, y;
glGetInternalformativ(GL_TEXTURE_2D, internal_fmt, GL_VIRTUAL_PAGE_SIZE_X_ARB, 1, &x);
glGetInternalformativ(GL_TEXTURE_2D, internal_fmt, GL_VIRTUAL_PAGE_SIZE_Y_ARB, 1, &y);
if (x > x_max && y > y_max) {
if (x > x_max && y > y_max)
{
fprintf_once(stdout, "%s isn't sparse compatible. Page size (%d,%d) is too big (%d, %d)\n",
name, x, y, x_max, y_max);
name, x, y, x_max, y_max);
return false;
}

Expand All @@ -364,17 +401,19 @@ namespace GLLoader {

static void check_sparse_compatibility()
{
if (!GLExtension::Has("GL_ARB_sparse_texture") ||
if (!GLExtension::Has("GL_ARB_sparse_texture") ||
!GLExtension::Has("GL_EXT_direct_state_access") ||
theApp.GetConfigI("override_GL_ARB_sparse_texture") != 1) {
theApp.GetConfigI("override_GL_ARB_sparse_texture") != 1)
{
found_compatible_GL_ARB_sparse_texture2 = false;
found_compatible_sparse_depth = false;

return;
}

found_compatible_GL_ARB_sparse_texture2 = true;
if (!GLExtension::Has("GL_ARB_sparse_texture2")) {
if (!GLExtension::Has("GL_ARB_sparse_texture2"))
{
// Only check format from GSTextureOGL
found_compatible_GL_ARB_sparse_texture2 &= is_sparse2_compatible("GL_R8", GL_R8, 256, 256);

Expand Down Expand Up @@ -414,4 +453,4 @@ namespace GLLoader {

s_first_load = false;
}
}
} // namespace GLLoader

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