mirror of
https://github.com/UberGames/lilium-voyager.git
synced 2024-11-10 06:31:47 +00:00
Don't load non-core GL functions for OpenGL 3.2 core context
Also declare the GL functions in tr_local.h so there is compile error for non-core GL functions instead of SEGFAULT from dereferencing a NULL pointer. Disable the non-functional stencil shadow code that hasn't been updated to use OpenGL 3.2 core compatible drawing.
This commit is contained in:
Zack Middleton
parent
255c33b367
commit
7391215bd4
5 changed files with 74 additions and 27 deletions
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@ -45,27 +45,22 @@ extern void (APIENTRYP qglUnlockArraysEXT) (void);
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// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
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// get missing functions from code/SDL2/include/SDL_opengl.h
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// OpenGL 1.0/1.1 and OpenGL ES 1.0
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// OpenGL 1.0/1.1, OpenGL ES 1.0, and OpenGL 3.2 core profile
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#define QGL_1_1_PROCS \
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GLE(void, AlphaFunc, GLenum func, GLclampf ref) \
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GLE(void, BindTexture, GLenum target, GLuint texture) \
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GLE(void, BlendFunc, GLenum sfactor, GLenum dfactor) \
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GLE(void, ClearColor, GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) \
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GLE(void, Clear, GLbitfield mask) \
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GLE(void, ClearStencil, GLint s) \
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GLE(void, Color4f, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) \
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GLE(void, ColorMask, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) \
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GLE(void, ColorPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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GLE(void, CopyTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) \
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GLE(void, CullFace, GLenum mode) \
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GLE(void, DeleteTextures, GLsizei n, const GLuint *textures) \
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GLE(void, DepthFunc, GLenum func) \
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GLE(void, DepthMask, GLboolean flag) \
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GLE(void, DisableClientState, GLenum cap) \
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GLE(void, Disable, GLenum cap) \
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GLE(void, DrawArrays, GLenum mode, GLint first, GLsizei count) \
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GLE(void, DrawElements, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) \
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GLE(void, EnableClientState, GLenum cap) \
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GLE(void, Enable, GLenum cap) \
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GLE(void, Finish, void) \
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GLE(void, Flush, void) \
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@ -75,42 +70,53 @@ extern void (APIENTRYP qglUnlockArraysEXT) (void);
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GLE(void, GetIntegerv, GLenum pname, GLint *params) \
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GLE(const GLubyte *, GetString, GLenum name) \
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GLE(void, LineWidth, GLfloat width) \
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GLE(void, LoadIdentity, void) \
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GLE(void, LoadMatrixf, const GLfloat *m) \
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GLE(void, MatrixMode, GLenum mode) \
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GLE(void, PolygonOffset, GLfloat factor, GLfloat units) \
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GLE(void, PopMatrix, void) \
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GLE(void, PushMatrix, void) \
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GLE(void, ReadPixels, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels) \
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GLE(void, Scissor, GLint x, GLint y, GLsizei width, GLsizei height) \
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GLE(void, ShadeModel, GLenum mode) \
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GLE(void, StencilFunc, GLenum func, GLint ref, GLuint mask) \
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GLE(void, StencilMask, GLuint mask) \
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GLE(void, StencilOp, GLenum fail, GLenum zfail, GLenum zpass) \
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GLE(void, TexCoordPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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GLE(void, TexEnvf, GLenum target, GLenum pname, GLfloat param) \
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GLE(void, TexImage2D, GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels) \
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GLE(void, TexParameterf, GLenum target, GLenum pname, GLfloat param) \
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GLE(void, TexParameteri, GLenum target, GLenum pname, GLint param) \
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GLE(void, TexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels) \
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GLE(void, Translatef, GLfloat x, GLfloat y, GLfloat z) \
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GLE(void, VertexPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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GLE(void, Viewport, GLint x, GLint y, GLsizei width, GLsizei height) \
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// OpenGL 1.0/1.1 but not OpenGL ES 1.x
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// OpenGL 1.0/1.1 and OpenGL ES 1.x but not OpenGL 3.2 core profile
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#define QGL_1_1_FIXED_FUNCTION_PROCS \
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GLE(void, AlphaFunc, GLenum func, GLclampf ref) \
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GLE(void, Color4f, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) \
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GLE(void, ColorPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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GLE(void, DisableClientState, GLenum cap) \
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GLE(void, EnableClientState, GLenum cap) \
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GLE(void, LoadIdentity, void) \
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GLE(void, LoadMatrixf, const GLfloat *m) \
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GLE(void, MatrixMode, GLenum mode) \
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GLE(void, PopMatrix, void) \
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GLE(void, PushMatrix, void) \
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GLE(void, ShadeModel, GLenum mode) \
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GLE(void, TexCoordPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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GLE(void, TexEnvf, GLenum target, GLenum pname, GLfloat param) \
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GLE(void, VertexPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
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// OpenGL 1.0/1.1 and 3.2 core profile but not OpenGL ES 1.x
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#define QGL_DESKTOP_1_1_PROCS \
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GLE(void, ClearDepth, GLclampd depth) \
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GLE(void, DepthRange, GLclampd near_val, GLclampd far_val) \
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GLE(void, DrawBuffer, GLenum mode) \
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GLE(void, PolygonMode, GLenum face, GLenum mode) \
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// OpenGL 1.0/1.1 but not OpenGL 3.2 core profile or OpenGL ES 1.x
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#define QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS \
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GLE(void, ArrayElement, GLint i) \
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GLE(void, Begin, GLenum mode) \
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GLE(void, ClearDepth, GLclampd depth) \
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GLE(void, ClipPlane, GLenum plane, const GLdouble *equation) \
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GLE(void, Color3f, GLfloat red, GLfloat green, GLfloat blue) \
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GLE(void, Color4ubv, const GLubyte *v) \
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GLE(void, DepthRange, GLclampd near_val, GLclampd far_val) \
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GLE(void, DrawBuffer, GLenum mode) \
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GLE(void, End, void) \
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GLE(void, Frustum, GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) \
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GLE(void, Ortho, GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) \
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GLE(void, PolygonMode, GLenum face, GLenum mode) \
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GLE(void, TexCoord2f, GLfloat s, GLfloat t) \
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GLE(void, TexCoord2fv, const GLfloat *v) \
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GLE(void, Vertex2f, GLfloat x, GLfloat y) \
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@ -301,9 +307,11 @@ extern void (APIENTRYP qglUnlockArraysEXT) (void);
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GLE(GLvoid, NamedFramebufferTexture2DEXT, GLuint framebuffer, GLenum attachment, GLenum textarget, GLuint texture, GLint level) \
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GLE(GLvoid, NamedFramebufferRenderbufferEXT, GLuint framebuffer, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) \
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#define GLE(ret, name, ...) typedef ret APIENTRY name##proc(__VA_ARGS__); extern name##proc * qgl##name;
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#define GLE(ret, name, ...) typedef ret APIENTRY name##proc(__VA_ARGS__);
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS;
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QGL_ES_1_1_PROCS;
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QGL_1_3_PROCS;
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QGL_1_5_PROCS;
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@ -32,6 +32,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "../renderercommon/iqm.h"
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#include "../renderercommon/qgl.h"
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#define GLE(ret, name, ...) extern name##proc * qgl##name;
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS;
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QGL_3_0_PROCS;
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#undef GLE
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#define GL_INDEX_TYPE GL_UNSIGNED_INT
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typedef unsigned int glIndex_t;
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@ -36,6 +36,18 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "../renderercommon/iqm.h"
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#include "../renderercommon/qgl.h"
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#define GLE(ret, name, ...) extern name##proc * qgl##name;
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QGL_1_1_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_1_3_PROCS;
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QGL_1_5_PROCS;
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QGL_2_0_PROCS;
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QGL_3_0_PROCS;
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QGL_ARB_framebuffer_object_PROCS;
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QGL_ARB_vertex_array_object_PROCS;
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QGL_EXT_direct_state_access_PROCS;
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#undef GLE
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#define GL_INDEX_TYPE GL_UNSIGNED_INT
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typedef unsigned int glIndex_t;
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@ -43,8 +43,8 @@ typedef struct {
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static edgeDef_t edgeDefs[SHADER_MAX_VERTEXES][MAX_EDGE_DEFS];
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static int numEdgeDefs[SHADER_MAX_VERTEXES];
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static int facing[SHADER_MAX_INDEXES/3];
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static vec3_t shadowXyz[SHADER_MAX_VERTEXES];
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//static int facing[SHADER_MAX_INDEXES/3];
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//static vec3_t shadowXyz[SHADER_MAX_VERTEXES];
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void R_AddEdgeDef( int i1, int i2, int facing ) {
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int c;
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@ -60,6 +60,8 @@ void R_AddEdgeDef( int i1, int i2, int facing ) {
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}
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void R_RenderShadowEdges( void ) {
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// FIXME: implement this
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#if 0
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int i;
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#if 0
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@ -138,6 +140,7 @@ void R_RenderShadowEdges( void ) {
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}
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}
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#endif
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#endif
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}
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/*
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@ -153,6 +156,8 @@ triangleFromEdge[ v1 ][ v2 ]
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=================
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*/
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void RB_ShadowTessEnd( void ) {
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// FIXME: implement this
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#if 0
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int i;
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int numTris;
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vec3_t lightDir;
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@ -230,6 +235,7 @@ void RB_ShadowTessEnd( void ) {
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// reenable writing to the color buffer
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qglColorMask(rgba[0], rgba[1], rgba[2], rgba[3]);
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#endif
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}
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@ -244,6 +250,8 @@ overlap and double darken.
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=================
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*/
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void RB_ShadowFinish( void ) {
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// FIXME: implement this
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#if 0
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if ( r_shadows->integer != 2 ) {
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return;
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}
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@ -275,6 +283,7 @@ void RB_ShadowFinish( void ) {
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qglColor4f(1,1,1,1);
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qglDisable( GL_STENCIL_TEST );
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#endif
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}
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@ -65,7 +65,9 @@ void (APIENTRYP qglUnlockArraysEXT) (void);
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#define GLE(ret, name, ...) name##proc * qgl##name;
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS;
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QGL_ES_1_1_PROCS;
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QGL_3_0_PROCS;
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#undef GLE
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@ -227,7 +229,7 @@ GLimp_GetProcAddresses
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Get addresses for OpenGL functions.
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===============
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*/
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static qboolean GLimp_GetProcAddresses( void ) {
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static qboolean GLimp_GetProcAddresses( qboolean coreContext ) {
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qboolean success = qtrue;
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const char *version;
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@ -266,12 +268,18 @@ static qboolean GLimp_GetProcAddresses( void ) {
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sscanf( version, "%d.%d", &qglMajorVersion, &qglMinorVersion );
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}
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if ( QGL_VERSION_ATLEAST( 1, 2 ) ) {
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if ( coreContext && QGL_VERSION_ATLEAST( 3, 2 ) ) {
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QGL_1_1_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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} else if ( QGL_VERSION_ATLEAST( 1, 2 ) ) {
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS;
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} else if ( qglesMajorVersion == 1 && qglesMinorVersion >= 1 ) {
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// OpenGL ES 1.1 (2.0 is not backward compatible)
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_ES_1_1_PROCS;
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// error so this doesn't segfault due to NULL desktop GL functions being used
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Com_Error( ERR_FATAL, "Unsupported OpenGL Version: %s\n", version );
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@ -304,7 +312,9 @@ static void GLimp_ClearProcAddresses( void ) {
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qglesMinorVersion = 0;
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QGL_1_1_PROCS;
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QGL_1_1_FIXED_FUNCTION_PROCS;
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QGL_DESKTOP_1_1_PROCS;
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QGL_DESKTOP_1_1_FIXED_FUNCTION_PROCS;
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QGL_ES_1_1_PROCS;
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QGL_3_0_PROCS;
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@ -613,7 +623,7 @@ static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder, qbool
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ri.Printf(PRINT_ALL, "SDL_GL_CreateContext succeeded.\n");
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if ( GLimp_GetProcAddresses() )
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if ( GLimp_GetProcAddresses( qtrue ) )
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{
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renderer = (const char *)qglGetString(GL_RENDERER);
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}
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@ -653,7 +663,7 @@ static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder, qbool
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continue;
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}
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if ( !GLimp_GetProcAddresses() )
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if ( !GLimp_GetProcAddresses( qfalse ) )
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{
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ri.Printf( PRINT_ALL, "GLimp_GetProcAddresses() failed\n" );
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GLimp_ClearProcAddresses();
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