Initial sources

2025-02-28 04:43:17 +03:00
commit d9437c8619
34 changed files with 18207 additions and 0 deletions
--- a/engine/render/gl_shared.cpp
+++ b/engine/render/gl_shared.cpp
@@ -0,0 +1,137 @@
+#include "utils/logger.h"
+#include "render/gl_shared.h"
+#include "render/render_shared.h"
+
+const char *GL_ErrorString( int err )
+{
+	switch( err )
+	{
+	case GL_STACK_OVERFLOW:
+		return "GL_STACK_OVERFLOW";
+	case GL_STACK_UNDERFLOW:
+		return "GL_STACK_UNDERFLOW";
+	case GL_INVALID_ENUM:
+		return "GL_INVALID_ENUM";
+	case GL_INVALID_VALUE:
+		return "GL_INVALID_VALUE";
+	case GL_INVALID_OPERATION:
+		return "GL_INVALID_OPERATION";
+	case GL_OUT_OF_MEMORY:
+		return "GL_OUT_OF_MEMORY";
+	default:
+		return "UNKNOWN ERROR";
+	}
+}
+
+void GL_CheckError()
+{
+	GLenum err;
+	if ( (err = glGetError()) != GL_NO_ERROR )
+		Msg( "OpenGL Error: %s", GL_ErrorString( err ) );// Msg("OpenGL Error: %s [%s]\n", GL_ErrorString(err), GL_TargetToString(tex->target));
+}
+
+void GL_CheckErrorEx( const char* filename, int line )
+{
+	GLenum err;
+	if ( (err = glGetError()) != GL_NO_ERROR )
+		Msg( "OpenGL Error: %s at %s:%i", GL_ErrorString( err ), filename, line );// Msg("OpenGL Error: %s [%s]\n", GL_ErrorString(err), GL_TargetToString(tex->target));
+}
+
+void GL_CheckErrorFunction(const char* expression, const char* filename, int line)
+{
+	GLenum err;
+	if ( (err = glGetError()) != GL_NO_ERROR )
+		Msg( "OpenGL Error: %s (%s) at %s:%i", expression, GL_ErrorString( err ), filename, line );// Msg("OpenGL Error: %s [%s]\n", GL_ErrorString(err), GL_TargetToString(tex->target));
+}
+
+uint GetGLBlendFactor(BlendFactor factor)
+{
+	switch (factor)
+	{
+	case BF_ZERO:
+		return GL_ZERO;
+	case BF_ONE:
+		return GL_ONE;
+	case BF_SRC_COLOR:
+		return GL_SRC_COLOR;
+	case BF_ONE_MINUS_SRC_COLOR:
+		return GL_ONE_MINUS_SRC_COLOR;
+	case BF_DST_COLOR:
+		return GL_DST_COLOR;
+	case BF_ONE_MINUS_DST_COLOR:
+		return GL_ONE_MINUS_DST_COLOR;
+	case BF_SRC_ALPHA:
+		return GL_SRC_ALPHA;
+	case BF_ONE_MINUS_SRC_ALPHA:
+		return GL_ONE_MINUS_SRC_ALPHA;
+	case BF_DST_ALPHA:
+		return GL_DST_ALPHA;
+	case BF_ONE_MINUS_DST_ALPHA:
+		return GL_ONE_MINUS_DST_ALPHA;
+	case BF_CONSTANT_COLOR:
+		return GL_CONSTANT_COLOR;
+	case BF_ONE_MINUS_CONSTANT_COLOR:
+		return GL_ONE_MINUS_CONSTANT_COLOR;
+	case BF_CONSTANT_ALPHA:
+		return GL_CONSTANT_ALPHA;
+	case BF_ONE_MINUS_CONSTANT_ALPHA:
+		return GL_ONE_MINUS_CONSTANT_ALPHA;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+#define LOAD_GL_FUNC(functype, funcname) \
+{ \
+	funcname = (functype)wglGetProcAddress(#funcname); \
+	if (funcname == NULL) \
+		LogMsg("Failed to load %s", #funcname); \
+}
+
+void GL_Load()
+{
+	// OpenGL 1.5
+	LOAD_GL_FUNC(PFNGLGENQUERIESPROC, glGenQueries);
+	LOAD_GL_FUNC(PFNGLDELETEQUERIESPROC, glDeleteQueries);
+	LOAD_GL_FUNC(PFNGLISQUERYPROC, glIsQuery);
+	LOAD_GL_FUNC(PFNGLBEGINQUERYPROC, glBeginQuery);
+	LOAD_GL_FUNC(PFNGLENDQUERYPROC, glEndQuery);
+	LOAD_GL_FUNC(PFNGLGETQUERYIVPROC, glGetQueryiv);
+	LOAD_GL_FUNC(PFNGLGETQUERYOBJECTIVPROC, glGetQueryObjectiv);
+	LOAD_GL_FUNC(PFNGLGETQUERYOBJECTUIVPROC, glGetQueryObjectuiv);
+	LOAD_GL_FUNC(PFNGLBINDBUFFERPROC, glBindBuffer);
+	LOAD_GL_FUNC(PFNGLDELETEBUFFERSPROC, glDeleteBuffers);
+	LOAD_GL_FUNC(PFNGLGENBUFFERSPROC, glGenBuffers);
+	LOAD_GL_FUNC(PFNGLISBUFFERPROC, glIsBuffer);
+	LOAD_GL_FUNC(PFNGLBUFFERDATAPROC, glBufferData);
+	LOAD_GL_FUNC(PFNGLBUFFERSUBDATAPROC, glBufferSubData);
+	LOAD_GL_FUNC(PFNGLGETBUFFERSUBDATAPROC, glGetBufferSubData);
+	LOAD_GL_FUNC(PFNGLMAPBUFFERPROC, glMapBuffer);
+	LOAD_GL_FUNC(PFNGLUNMAPBUFFERPROC, glUnmapBuffer);
+	LOAD_GL_FUNC(PFNGLGETBUFFERPARAMETERIVPROC, glGetBufferParameteriv);
+	LOAD_GL_FUNC(PFNGLGETBUFFERPOINTERVPROC, glGetBufferPointerv);
+	
+}
+
+PFNGLGENQUERIESPROC glGenQueries = NULL;
+PFNGLDELETEQUERIESPROC glDeleteQueries = NULL;
+PFNGLISQUERYPROC glIsQuery = NULL;
+PFNGLBEGINQUERYPROC glBeginQuery = NULL;
+PFNGLENDQUERYPROC glEndQuery = NULL;
+PFNGLGETQUERYIVPROC glGetQueryiv = NULL;
+PFNGLGETQUERYOBJECTIVPROC glGetQueryObjectiv = NULL;
+PFNGLGETQUERYOBJECTUIVPROC glGetQueryObjectuiv = NULL;
+PFNGLBINDBUFFERPROC glBindBuffer = NULL;
+PFNGLDELETEBUFFERSPROC glDeleteBuffers = NULL;
+PFNGLGENBUFFERSPROC glGenBuffers = NULL;
+PFNGLISBUFFERPROC glIsBuffer = NULL;
+PFNGLBUFFERDATAPROC glBufferData = NULL;
+PFNGLBUFFERSUBDATAPROC glBufferSubData = NULL;
+PFNGLGETBUFFERSUBDATAPROC glGetBufferSubData = NULL;
+PFNGLMAPBUFFERPROC glMapBuffer = NULL;
+PFNGLUNMAPBUFFERPROC glUnmapBuffer = NULL;
+PFNGLGETBUFFERPARAMETERIVPROC glGetBufferParameteriv = NULL;
+PFNGLGETBUFFERPOINTERVPROC glGetBufferPointerv = NULL;