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Set GL capabilities from extensions

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This commit is contained in:
Emile Belanger 2021-03-22 17:25:59 +00:00
parent de244b86c2
commit d9dc49cee0
4 changed files with 70 additions and 12 deletions
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7
src/common/rendering/gles/gles_framebuffer.cpp
View file

@ -135,13 +135,6 @@ void OpenGLFrameBuffer::InitializeState()
hwcaps = gles.flags;
vendorstring = gles.vendorstring;
Printf("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
Printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
Printf("GL_VERSION: %s\n", glGetString(GL_VERSION));
Printf("GL_SHADING_LANGUAGE_VERSION: %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
Printf(PRINT_LOG, "GL_EXTENSIONS:");
Printf("%s\n", glGetString(GL_EXTENSIONS));
glDepthFunc(GL_LESS);
glEnable(GL_DITHER);

2
src/common/rendering/gles/gles_hwtexture.cpp
View file

@ -124,6 +124,8 @@ unsigned int FHardwareTexture::CreateTexture(unsigned char * buffer, int w, int
buffer=scaledbuffer;
}
}
}
// store the physical size.

72
src/common/rendering/gles/gles_system.cpp
View file

@ -1,6 +1,10 @@
#include "gles_system.h"
#include "tarray.h"
#include "doomtype.h"
#include "v_video.h"
#if USE_GLES2
@ -68,6 +72,41 @@ static void* LoadGLES2Proc(const char* name)
#endif // USE_GLES2
static TArray<FString> m_Extensions;
static void CollectExtensions()
{
const char* supported = (char*)glGetString(GL_EXTENSIONS);
if (nullptr != supported)
{
char* extensions = new char[strlen(supported) + 1];
strcpy(extensions, supported);
char* extension = strtok(extensions, " ");
while (extension)
{
m_Extensions.Push(FString(extension));
extension = strtok(nullptr, " ");
}
delete[] extensions;
}
}
static bool CheckExtension(const char* ext)
{
for (unsigned int i = 0; i < m_Extensions.Size(); ++i)
{
if (m_Extensions[i].CompareNoCase(ext) == 0) return true;
}
return false;
}
namespace OpenGLESRenderer
{
RenderContextGLES gles;
@ -99,15 +138,38 @@ namespace OpenGLESRenderer
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
#endif
gles.flags = 0;
gles.useMappedBuffers = true;
gles.depthStencilAvailable = true;
CollectExtensions();
Printf("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
Printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
Printf("GL_VERSION: %s\n", glGetString(GL_VERSION));
Printf("GL_SHADING_LANGUAGE_VERSION: %s\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
Printf("GL_EXTENSIONS:\n");
for (unsigned i = 0; i < m_Extensions.Size(); i++)
{
Printf(" %s\n", m_Extensions[i].GetChars());
}
gles.flags = RFL_NO_CLIP_PLANES;
#if USE_GLES2
gles.useMappedBuffers = false;
gles.depthStencilAvailable = CheckExtension("GL_OES_packed_depth_stencil");
gles.npotAvailable = CheckExtension("GL_OES_texture_npot");
gles.maxuniforms = 1024 * 16;
gles.max_texturesize = 1024 * 4;
gles.maxlights = 32; // TODO, calcualte this
#else
gles.useMappedBuffers = true;
gles.depthStencilAvailable = true;
gles.npotAvailable = true;
gles.maxuniforms = 1024 * 16;
gles.max_texturesize = 1024 * 4;
gles.maxlights = 32; // TODO, calcualte this
#endif
gles.modelstring = (char*)glGetString(GL_RENDERER);
gles.vendorstring = (char*)glGetString(GL_VENDOR);
gles.maxlights = 32; // TODO, calcualte this
gles.numlightvectors = (gles.maxlights * LIGHT_VEC4_NUM);
}

1
src/common/rendering/gles/gles_system.h
View file

@ -66,6 +66,7 @@ namespace OpenGLESRenderer
unsigned int numlightvectors;
bool useMappedBuffers;
bool depthStencilAvailable;
bool npotAvailable;
int max_texturesize;
char* vendorstring;
char* modelstring;