#include "quakedef.h"
#include "cl_collision.h"
-// on GLES we have to use some proper #define's
-#ifndef GL_FRAMEBUFFER
-#define GL_FRAMEBUFFER 0x8D40
-#define GL_DEPTH_ATTACHMENT 0x8D00
-#define GL_COLOR_ATTACHMENT0 0x8CE0
-#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
-#endif
-#ifndef GL_COLOR_ATTACHMENT1
-#define GL_COLOR_ATTACHMENT1 0x8CE1
-#define GL_COLOR_ATTACHMENT2 0x8CE2
-#define GL_COLOR_ATTACHMENT3 0x8CE3
-#define GL_COLOR_ATTACHMENT4 0x8CE4
-#define GL_COLOR_ATTACHMENT5 0x8CE5
-#define GL_COLOR_ATTACHMENT6 0x8CE6
-#define GL_COLOR_ATTACHMENT7 0x8CE7
-#define GL_COLOR_ATTACHMENT8 0x8CE8
-#define GL_COLOR_ATTACHMENT9 0x8CE9
-#define GL_COLOR_ATTACHMENT10 0x8CEA
-#define GL_COLOR_ATTACHMENT11 0x8CEB
-#define GL_COLOR_ATTACHMENT12 0x8CEC
-#define GL_COLOR_ATTACHMENT13 0x8CED
-#define GL_COLOR_ATTACHMENT14 0x8CEE
-#define GL_COLOR_ATTACHMENT15 0x8CEF
-#endif
-#ifndef GL_ARRAY_BUFFER
-#define GL_ARRAY_BUFFER 0x8892
-#define GL_ELEMENT_ARRAY_BUFFER 0x8893
-#endif
-#ifndef GL_TEXTURE0
-#define GL_TEXTURE0 0x84C0
-#define GL_TEXTURE1 0x84C1
-#define GL_TEXTURE2 0x84C2
-#define GL_TEXTURE3 0x84C3
-#define GL_TEXTURE4 0x84C4
-#define GL_TEXTURE5 0x84C5
-#define GL_TEXTURE6 0x84C6
-#define GL_TEXTURE7 0x84C7
-#define GL_TEXTURE8 0x84C8
-#define GL_TEXTURE9 0x84C9
-#define GL_TEXTURE10 0x84CA
-#define GL_TEXTURE11 0x84CB
-#define GL_TEXTURE12 0x84CC
-#define GL_TEXTURE13 0x84CD
-#define GL_TEXTURE14 0x84CE
-#define GL_TEXTURE15 0x84CF
-#define GL_TEXTURE16 0x84D0
-#define GL_TEXTURE17 0x84D1
-#define GL_TEXTURE18 0x84D2
-#define GL_TEXTURE19 0x84D3
-#define GL_TEXTURE20 0x84D4
-#define GL_TEXTURE21 0x84D5
-#define GL_TEXTURE22 0x84D6
-#define GL_TEXTURE23 0x84D7
-#define GL_TEXTURE24 0x84D8
-#define GL_TEXTURE25 0x84D9
-#define GL_TEXTURE26 0x84DA
-#define GL_TEXTURE27 0x84DB
-#define GL_TEXTURE28 0x84DC
-#define GL_TEXTURE29 0x84DD
-#define GL_TEXTURE30 0x84DE
-#define GL_TEXTURE31 0x84DF
-#endif
-
-#ifndef GL_TEXTURE_3D
-#define GL_TEXTURE_3D 0x806F
-#endif
-#ifndef GL_TEXTURE_CUBE_MAP
-#define GL_TEXTURE_CUBE_MAP 0x8513
-#endif
-
-
#define MAX_RENDERTARGETS 4
-cvar_t gl_debug = {0, "gl_debug", "0", "enables OpenGL debug output, 0 = off, 1 = HIGH severity only, 2 = also MEDIUM severity, 3 = also LOW severity messages. (note: enabling may not take effect until vid_restart on some drivers)"};
-cvar_t gl_paranoid = {0, "gl_paranoid", "0", "enables OpenGL error checking and other tests"};
-cvar_t gl_printcheckerror = {0, "gl_printcheckerror", "0", "prints all OpenGL error checks, useful to identify location of driver crashes"};
+cvar_t gl_debug = {CVAR_CLIENT, "gl_debug", "0", "enables OpenGL debug output, 0 = off, 1 = HIGH severity only, 2 = also MEDIUM severity, 3 = also LOW severity messages. (note: enabling may not take effect until vid_restart on some drivers)"};
+cvar_t gl_paranoid = {CVAR_CLIENT, "gl_paranoid", "0", "enables OpenGL error checking and other tests"};
+cvar_t gl_printcheckerror = {CVAR_CLIENT, "gl_printcheckerror", "0", "prints all OpenGL error checks, useful to identify location of driver crashes"};
-cvar_t r_render = {0, "r_render", "1", "enables rendering 3D views (you want this on!)"};
-cvar_t r_renderview = {0, "r_renderview", "1", "enables rendering 3D views (you want this on!)"};
-cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1", "warp view while underwater"};
-cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1", "tints view while underwater, hurt, etc"};
+cvar_t r_render = {CVAR_CLIENT, "r_render", "1", "enables rendering 3D views (you want this on!)"};
+cvar_t r_renderview = {CVAR_CLIENT, "r_renderview", "1", "enables rendering 3D views (you want this on!)"};
+cvar_t r_waterwarp = {CVAR_CLIENT | CVAR_SAVE, "r_waterwarp", "1", "warp view while underwater"};
+cvar_t gl_polyblend = {CVAR_CLIENT | CVAR_SAVE, "gl_polyblend", "1", "tints view while underwater, hurt, etc"};
-cvar_t v_flipped = {0, "v_flipped", "0", "mirror the screen (poor man's left handed mode)"};
+cvar_t v_flipped = {CVAR_CLIENT, "v_flipped", "0", "mirror the screen (poor man's left handed mode)"};
qboolean v_flipped_state = false;
r_viewport_t gl_viewport;
float gl_modelviewprojection16f[16];
qboolean gl_modelmatrixchanged;
-int gl_maxdrawrangeelementsvertices;
-int gl_maxdrawrangeelementsindices;
-
#ifdef DEBUGGL
int gl_errornumber = 0;
#define BACKENDACTIVECHECK if (!gl_state.active) Sys_Error("GL backend function called when backend is not active");
-void SCR_ScreenShot_f (void);
+void SCR_ScreenShot_f(cmd_state_t *cmd);
typedef struct gltextureunit_s
{
int defaultframebufferobject; // deal with platforms that use a non-zero default fbo
qboolean pointer_color_enabled;
+ // GL3.2 Core requires that we have a GL_VERTEX_ARRAY_OBJECT, but... just one.
+ unsigned int defaultvao;
+
int pointer_vertex_components;
int pointer_vertex_gltype;
size_t pointer_vertex_stride;
int quadelement3i[QUADELEMENTS_MAXQUADS*6];
unsigned short quadelement3s[QUADELEMENTS_MAXQUADS*6];
-static void GL_VBOStats_f(void)
+static void GL_VBOStats_f(cmd_state_t *cmd)
{
GL_Mesh_ListVBOs(true);
}
CHECKGLERROR
- GL_Backend_ResetState();
-
switch(vid.renderpath)
{
case RENDERPATH_GL32:
+ // GL3.2 Core requires that we have a VAO bound - but using more than one has no performance benefit so this is just placeholder
+ qglGenVertexArrays(1, &gl_state.defaultvao);
+ qglBindVertexArray(gl_state.defaultvao);
+ // fall through
case RENDERPATH_GLES2:
// fetch current fbo here (default fbo is not 0 on some GLES devices)
CHECKGLERROR
qglGetIntegerv(GL_FRAMEBUFFER_BINDING, &gl_state.defaultframebufferobject);CHECKGLERROR
break;
}
+
+ GL_Backend_ResetState();
}
static void gl_backend_shutdown(void)
Cvar_RegisterVariable(&gl_paranoid);
Cvar_RegisterVariable(&gl_printcheckerror);
- Cmd_AddCommand("gl_vbostats", GL_VBOStats_f, "prints a list of all buffer objects (vertex data and triangle elements) and total video memory used by them");
+ Cmd_AddCommand(&cmd_client, "gl_vbostats", GL_VBOStats_f, "prints a list of all buffer objects (vertex data and triangle elements) and total video memory used by them");
R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap, gl_backend_devicelost, gl_backend_devicerestored);
}
Matrix4x4_Transform3x3(&v->viewmatrix, normal, clipPlane);
VectorScale(normal, -dist, v3);
Matrix4x4_Transform(&v->viewmatrix, v3, v4);
- // FIXME: LordHavoc: I think this can be done more efficiently somehow but I can't remember the technique
+ // FIXME: LadyHavoc: I think this can be done more efficiently somehow but I can't remember the technique
clipPlane[3] = -DotProduct(v4, clipPlane);
// Calculate the clip-space corner point opposite the clipping plane
if (colortexture4 && colortexture4->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3 , GL_RENDERBUFFER, colortexture4->renderbuffernum);CHECKGLERROR
#ifndef USE_GLES2
- if (colortexture4 && qglDrawBuffersARB)
+ if (colortexture4)
{
- qglDrawBuffersARB(4, drawbuffers);CHECKGLERROR
+ qglDrawBuffers(4, drawbuffers);CHECKGLERROR
qglReadBuffer(GL_NONE);CHECKGLERROR
}
- else if (colortexture3 && qglDrawBuffersARB)
+ else if (colortexture3)
{
- qglDrawBuffersARB(3, drawbuffers);CHECKGLERROR
+ qglDrawBuffers(3, drawbuffers);CHECKGLERROR
qglReadBuffer(GL_NONE);CHECKGLERROR
}
- else if (colortexture2 && qglDrawBuffersARB)
+ else if (colortexture2)
{
- qglDrawBuffersARB(2, drawbuffers);CHECKGLERROR
+ qglDrawBuffers(2, drawbuffers);CHECKGLERROR
qglReadBuffer(GL_NONE);CHECKGLERROR
}
- else if (colortexture && qglDrawBuffer)
+ else if (colortexture)
{
qglDrawBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
qglReadBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
}
- else if (qglDrawBuffer)
+ else
{
qglDrawBuffer(GL_NONE);CHECKGLERROR
qglReadBuffer(GL_NONE);CHECKGLERROR
case RENDERPATH_GLES2:
break;
case RENDERPATH_GL32:
-#ifdef GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
+#ifndef USE_GLES2
// alpha to coverage turns the alpha value of the pixel into 0%, 25%, 50%, 75% or 100% by masking the multisample fragments accordingly
CHECKGLERROR
if (gl_state.alphatocoverage)
{
- qglEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
-// qglEnable(GL_MULTISAMPLE_ARB);CHECKGLERROR
+ qglEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);CHECKGLERROR
+// qglEnable(GL_MULTISAMPLE);CHECKGLERROR
}
else
{
- qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
-// qglDisable(GL_MULTISAMPLE_ARB);CHECKGLERROR
+ qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);CHECKGLERROR
+// qglDisable(GL_MULTISAMPLE);CHECKGLERROR
}
#endif
break;
gl_state.pointer_vertex_offset = bufferoffset;
CHECKGLERROR
GL_BindVBO(bufferobject);
- // LordHavoc: special flag added to gltype for unnormalized types
+ // LadyHavoc: special flag added to gltype for unnormalized types
qglVertexAttribPointer(GLSLATTRIB_POSITION, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
}
break;
gl_state.pointer_color_offset = bufferoffset;
CHECKGLERROR
GL_BindVBO(bufferobject);
- // LordHavoc: special flag added to gltype for unnormalized types
+ // LadyHavoc: special flag added to gltype for unnormalized types
qglVertexAttribPointer(GLSLATTRIB_COLOR, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
}
}
unit->pointer_texcoord_vertexbuffer = vertexbuffer;
unit->pointer_texcoord_offset = bufferoffset;
GL_BindVBO(bufferobject);
- // LordHavoc: special flag added to gltype for unnormalized types
+ // LadyHavoc: special flag added to gltype for unnormalized types
qglVertexAttribPointer(unitnum+GLSLATTRIB_TEXCOORD0, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
}
}
int texnum;
if (unitnum >= MAX_TEXTUREUNITS)
Sys_Error("R_Mesh_TexBind: unitnum %i > max units %i\n", unitnum, MAX_TEXTUREUNITS);
- if (unit->texture == tex)
- return;
switch(vid.renderpath)
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
- if (!tex)
+ if (tex)
{
- tex = r_texture_white;
- // not initialized enough yet...
- if (!tex)
- return;
+ texnum = R_GetTexture(tex);
+ switch (tex->gltexturetypeenum)
+ {
+ case GL_TEXTURE_2D:
+ if (unit->t2d != texnum) { GL_ActiveTexture(unitnum);qglBindTexture(GL_TEXTURE_2D, texnum); CHECKGLERROR unit->t2d = texnum; }
+ if (unit->t3d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_3D, 0); CHECKGLERROR unit->t3d = 0; }
+ if (unit->tcubemap) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_CUBE_MAP, 0); CHECKGLERROR unit->tcubemap = 0; }
+ break;
+ case GL_TEXTURE_3D:
+ if (unit->t2d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_2D, 0); CHECKGLERROR unit->t2d = 0; }
+ if (unit->t3d != texnum) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_3D, texnum); CHECKGLERROR unit->t3d = texnum; }
+ if (unit->tcubemap) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_CUBE_MAP, 0); CHECKGLERROR unit->tcubemap = 0; }
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ if (unit->t2d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_2D, 0); CHECKGLERROR unit->t2d = 0; }
+ if (unit->t3d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_3D, 0); CHECKGLERROR unit->t3d = 0; }
+ if (unit->tcubemap != texnum) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_CUBE_MAP, texnum); CHECKGLERROR unit->tcubemap = texnum; }
+ break;
+ }
}
- unit->texture = tex;
- texnum = R_GetTexture(tex);
- switch(tex->gltexturetypeenum)
+ else
{
- case GL_TEXTURE_2D: if (unit->t2d != texnum) {GL_ActiveTexture(unitnum);unit->t2d = texnum;qglBindTexture(GL_TEXTURE_2D, unit->t2d);CHECKGLERROR}break;
- case GL_TEXTURE_3D: if (unit->t3d != texnum) {GL_ActiveTexture(unitnum);unit->t3d = texnum;qglBindTexture(GL_TEXTURE_3D, unit->t3d);CHECKGLERROR}break;
- case GL_TEXTURE_CUBE_MAP: if (unit->tcubemap != texnum) {GL_ActiveTexture(unitnum);unit->tcubemap = texnum;qglBindTexture(GL_TEXTURE_CUBE_MAP, unit->tcubemap);CHECKGLERROR}break;
+ if (unit->t2d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_2D, 0); CHECKGLERROR unit->t2d = 0; }
+ if (unit->t3d) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_3D, 0); CHECKGLERROR unit->t3d = 0; }
+ if (unit->tcubemap) { GL_ActiveTexture(unitnum); qglBindTexture(GL_TEXTURE_CUBE_MAP, 0); CHECKGLERROR unit->tcubemap = 0; }
}
- break;
}
+ unit->texture = tex;
}
void R_Mesh_ResetTextureState(void)
{
+#if 0
unsigned int unitnum;
-
+
BACKENDACTIVECHECK
for (unitnum = 0;unitnum < MAX_TEXTUREUNITS;unitnum++)
R_Mesh_TexBind(unitnum, NULL);
+#endif
}
void R_Mesh_PrepareVertices_Vertex3f(int numvertices, const float *vertex3f, const r_meshbuffer_t *vertexbuffer, int bufferoffset)
int bufferoffset_vertex3f = 0;
int bufferoffset_color4f = 0;
int bufferoffset_texcoord2f = 0;
- buffer_color4f = R_BufferData_Store(numvertices * sizeof(float[4]), color4f , R_BUFFERDATA_VERTEX, &bufferoffset_color4f );
- buffer_vertex3f = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f );
- buffer_texcoord2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoord2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoord2f);
+ if (color4f)
+ buffer_color4f = R_BufferData_Store(numvertices * sizeof(float[4]), color4f , R_BUFFERDATA_VERTEX, &bufferoffset_color4f );
+ if (vertex3f)
+ buffer_vertex3f = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f );
+ if (texcoord2f)
+ buffer_texcoord2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoord2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoord2f);
R_Mesh_VertexPointer( 3, GL_FLOAT , sizeof(float[3]) , vertex3f , buffer_vertex3f , bufferoffset_vertex3f );
R_Mesh_ColorPointer( 4, GL_FLOAT , sizeof(float[4]) , color4f , buffer_color4f , bufferoffset_color4f );
R_Mesh_TexCoordPointer(0, 2, GL_FLOAT , sizeof(float[2]) , texcoord2f , buffer_texcoord2f , bufferoffset_texcoord2f );
int bufferoffset_tvector3f = 0;
int bufferoffset_normal3f = 0;
int bufferoffset_texcoordlightmap2f = 0;
- buffer_color4f = R_BufferData_Store(numvertices * sizeof(float[4]), color4f , R_BUFFERDATA_VERTEX, &bufferoffset_color4f );
- buffer_vertex3f = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f );
- buffer_svector3f = R_BufferData_Store(numvertices * sizeof(float[3]), svector3f , R_BUFFERDATA_VERTEX, &bufferoffset_svector3f );
- buffer_tvector3f = R_BufferData_Store(numvertices * sizeof(float[3]), tvector3f , R_BUFFERDATA_VERTEX, &bufferoffset_tvector3f );
- buffer_normal3f = R_BufferData_Store(numvertices * sizeof(float[3]), normal3f , R_BUFFERDATA_VERTEX, &bufferoffset_normal3f );
- buffer_texcoordtexture2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordtexture2f , R_BUFFERDATA_VERTEX, &bufferoffset_texcoordtexture2f );
- buffer_texcoordlightmap2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordlightmap2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoordlightmap2f);
+ if (color4f)
+ buffer_color4f = R_BufferData_Store(numvertices * sizeof(float[4]), color4f , R_BUFFERDATA_VERTEX, &bufferoffset_color4f );
+ if (vertex3f)
+ buffer_vertex3f = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f );
+ if (svector3f)
+ buffer_svector3f = R_BufferData_Store(numvertices * sizeof(float[3]), svector3f , R_BUFFERDATA_VERTEX, &bufferoffset_svector3f );
+ if (tvector3f)
+ buffer_tvector3f = R_BufferData_Store(numvertices * sizeof(float[3]), tvector3f , R_BUFFERDATA_VERTEX, &bufferoffset_tvector3f );
+ if (normal3f)
+ buffer_normal3f = R_BufferData_Store(numvertices * sizeof(float[3]), normal3f , R_BUFFERDATA_VERTEX, &bufferoffset_normal3f );
+ if (texcoordtexture2f)
+ buffer_texcoordtexture2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordtexture2f , R_BUFFERDATA_VERTEX, &bufferoffset_texcoordtexture2f );
+ if (texcoordlightmap2f)
+ buffer_texcoordlightmap2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordlightmap2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoordlightmap2f);
R_Mesh_VertexPointer( 3, GL_FLOAT , sizeof(float[3]) , vertex3f , buffer_vertex3f , bufferoffset_vertex3f );
R_Mesh_ColorPointer( 4, GL_FLOAT , sizeof(float[4]) , color4f , buffer_color4f , bufferoffset_color4f );
R_Mesh_TexCoordPointer(0, 2, GL_FLOAT , sizeof(float[2]) , texcoordtexture2f , buffer_texcoordtexture2f , bufferoffset_texcoordtexture2f );
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
- qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT);CHECKGLERROR
+ qglBlendEquation(GL_FUNC_REVERSE_SUBTRACT);CHECKGLERROR
break;
}
}
{
case RENDERPATH_GL32:
case RENDERPATH_GLES2:
- qglBlendEquationEXT(GL_FUNC_ADD);CHECKGLERROR
+ qglBlendEquation(GL_FUNC_ADD);CHECKGLERROR
break;
}
}