static matrix4x4_t backend_viewmatrix;
static matrix4x4_t backend_modelmatrix;
static matrix4x4_t backend_modelviewmatrix;
-static matrix4x4_t backend_glmodelviewmatrix;
static matrix4x4_t backend_projectmatrix;
static unsigned int backendunits, backendimageunits, backendarrayunits, backendactive;
Con_Printf("glDrawRangeElements detected (max vertices %i, max indices %i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices);
}
- backendunits = min(MAX_TEXTUREUNITS, gl_textureunits);
+ backendunits = bound(1, gl_textureunits, MAX_TEXTUREUNITS);
backendimageunits = backendunits;
backendarrayunits = backendunits;
if (gl_support_fragment_shader)
qglGetIntegerv(GL_MAX_TEXTURE_COORDS_ARB, (int *)&backendarrayunits);
CHECKGLERROR
Con_Printf("GLSL shader support detected: texture units = %i texenv, %i image, %i array\n", backendunits, backendimageunits, backendarrayunits);
+ backendimageunits = bound(1, backendimageunits, MAX_TEXTUREUNITS);
+ backendarrayunits = bound(1, backendarrayunits, MAX_TEXTUREUNITS);
}
else if (backendunits > 1)
Con_Printf("multitexture detected: texture units = %i\n", backendunits);
memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
}
-void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix)
+void GL_SetupView_Orientation_FromEntity(const matrix4x4_t *matrix)
{
matrix4x4_t tempmatrix, basematrix;
Matrix4x4_Invert_Simple(&tempmatrix, matrix);
// set view pyramid
qglFrustum(-frustumx * zNear, frustumx * zNear, -frustumy * zNear, frustumy * zNear, zNear, zFar);CHECKGLERROR
qglGetDoublev(GL_PROJECTION_MATRIX, m);CHECKGLERROR
- backend_projectmatrix.m[0][0] = m[0];
- backend_projectmatrix.m[1][0] = m[1];
- backend_projectmatrix.m[2][0] = m[2];
- backend_projectmatrix.m[3][0] = m[3];
- backend_projectmatrix.m[0][1] = m[4];
- backend_projectmatrix.m[1][1] = m[5];
- backend_projectmatrix.m[2][1] = m[6];
- backend_projectmatrix.m[3][1] = m[7];
- backend_projectmatrix.m[0][2] = m[8];
- backend_projectmatrix.m[1][2] = m[9];
- backend_projectmatrix.m[2][2] = m[10];
- backend_projectmatrix.m[3][2] = m[11];
- backend_projectmatrix.m[0][3] = m[12];
- backend_projectmatrix.m[1][3] = m[13];
- backend_projectmatrix.m[2][3] = m[14];
- backend_projectmatrix.m[3][3] = m[15];
+ Matrix4x4_FromArrayDoubleGL(&backend_projectmatrix, m);
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
CHECKGLERROR
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
CHECKGLERROR
- backend_projectmatrix.m[0][0] = m[0];
- backend_projectmatrix.m[1][0] = m[1];
- backend_projectmatrix.m[2][0] = m[2];
- backend_projectmatrix.m[3][0] = m[3];
- backend_projectmatrix.m[0][1] = m[4];
- backend_projectmatrix.m[1][1] = m[5];
- backend_projectmatrix.m[2][1] = m[6];
- backend_projectmatrix.m[3][1] = m[7];
- backend_projectmatrix.m[0][2] = m[8];
- backend_projectmatrix.m[1][2] = m[9];
- backend_projectmatrix.m[2][2] = m[10];
- backend_projectmatrix.m[3][2] = m[11];
- backend_projectmatrix.m[0][3] = m[12];
- backend_projectmatrix.m[1][3] = m[13];
- backend_projectmatrix.m[2][3] = m[14];
- backend_projectmatrix.m[3][3] = m[15];
+ Matrix4x4_FromArrayDoubleGL(&backend_projectmatrix, m);
}
void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar)
qglLoadIdentity();CHECKGLERROR
qglOrtho(x1, x2, y2, y1, zNear, zFar);CHECKGLERROR
qglGetDoublev(GL_PROJECTION_MATRIX, m);CHECKGLERROR
- backend_projectmatrix.m[0][0] = m[0];
- backend_projectmatrix.m[1][0] = m[1];
- backend_projectmatrix.m[2][0] = m[2];
- backend_projectmatrix.m[3][0] = m[3];
- backend_projectmatrix.m[0][1] = m[4];
- backend_projectmatrix.m[1][1] = m[5];
- backend_projectmatrix.m[2][1] = m[6];
- backend_projectmatrix.m[3][1] = m[7];
- backend_projectmatrix.m[0][2] = m[8];
- backend_projectmatrix.m[1][2] = m[9];
- backend_projectmatrix.m[2][2] = m[10];
- backend_projectmatrix.m[3][2] = m[11];
- backend_projectmatrix.m[0][3] = m[12];
- backend_projectmatrix.m[1][3] = m[13];
- backend_projectmatrix.m[2][3] = m[14];
- backend_projectmatrix.m[3][3] = m[15];
+ Matrix4x4_FromArrayDoubleGL(&backend_projectmatrix, m);
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
CHECKGLERROR
static struct gl_state_s
{
+ int cullface;
+ int cullfaceenable;
int blendfunc1;
int blendfunc2;
int blend;
gl_state.lockrange_count = 0;
gl_state.pointer_vertex = NULL;
gl_state.pointer_color = NULL;
+ gl_state.cullface = GL_FRONT; // quake is backwards, this culls back faces
+ gl_state.cullfaceenable = true;
CHECKGLERROR
qglDisable(GL_ALPHA_TEST);CHECKGLERROR
qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
qglDisable(GL_BLEND);CHECKGLERROR
- qglCullFace(GL_FRONT);CHECKGLERROR
+ qglCullFace(gl_state.cullface);CHECKGLERROR
qglEnable(GL_CULL_FACE);CHECKGLERROR
qglDepthFunc(GL_LEQUAL);CHECKGLERROR
qglEnable(GL_DEPTH_TEST);CHECKGLERROR
}
}
+void GL_CullFace(int state)
+{
+ CHECKGLERROR
+ if (state != GL_NONE)
+ {
+ if (!gl_state.cullfaceenable)
+ {
+ gl_state.cullfaceenable = true;
+ qglEnable(GL_CULL_FACE);CHECKGLERROR
+ }
+ if (gl_state.cullface != state)
+ {
+ gl_state.cullface = state;
+ qglCullFace(gl_state.cullface);CHECKGLERROR
+ }
+ }
+ else
+ {
+ if (gl_state.cullfaceenable)
+ {
+ gl_state.cullfaceenable = false;
+ qglDisable(GL_CULL_FACE);CHECKGLERROR
+ }
+ }
+}
+
void GL_AlphaTest(int state)
{
if (gl_state.alphatest != state)
Matrix4x4_Transform4 (&backend_projectmatrix, temp, out);
iw = 1.0f / out[3];
out[0] = r_view.x + (out[0] * iw + 1.0f) * r_view.width * 0.5f;
- out[1] = r_view.y + (out[1] * iw + 1.0f) * r_view.height * 0.5f;
+ out[1] = r_view.y + r_view.height - (out[1] * iw + 1.0f) * r_view.height * 0.5f;
out[2] = r_view.z + (out[2] * iw + 1.0f) * r_view.depth * 0.5f;
}
GL_Backend_ResetState();
}
-unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int fragmentstrings_count, const char **fragmentstrings_list)
+qboolean GL_Backend_CompileShader(int programobject, GLenum shadertypeenum, const char *shadertype, int numstrings, const char **strings)
{
- GLint vertexshadercompiled, fragmentshadercompiled, programlinked;
- GLuint vertexshaderobject, fragmentshaderobject, programobject = 0;
+ int shaderobject;
+ int shadercompiled;
char compilelog[MAX_INPUTLINE];
+ shaderobject = qglCreateShaderObjectARB(shadertypeenum);CHECKGLERROR
+ if (!shaderobject)
+ return false;
+ qglShaderSourceARB(shaderobject, numstrings, strings, NULL);CHECKGLERROR
+ qglCompileShaderARB(shaderobject);CHECKGLERROR
+ qglGetObjectParameterivARB(shaderobject, GL_OBJECT_COMPILE_STATUS_ARB, &shadercompiled);CHECKGLERROR
+ qglGetInfoLogARB(shaderobject, sizeof(compilelog), NULL, compilelog);CHECKGLERROR
+ if (compilelog[0])
+ Con_DPrintf("%s shader compile log:\n%s\n", shadertype, compilelog);
+ if (!shadercompiled)
+ {
+ qglDeleteObjectARB(shaderobject);CHECKGLERROR
+ return false;
+ }
+ qglAttachObjectARB(programobject, shaderobject);CHECKGLERROR
+ qglDeleteObjectARB(shaderobject);CHECKGLERROR
+ return true;
+}
+
+unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int geometrystrings_count, const char **geometrystrings_list, int fragmentstrings_count, const char **fragmentstrings_list)
+{
+ GLint programlinked;
+ GLuint programobject = 0;
+ char linklog[MAX_INPUTLINE];
CHECKGLERROR
programobject = qglCreateProgramObjectARB();CHECKGLERROR
if (!programobject)
return 0;
- if (developer.integer >= 100)
- {
- int i;
- Con_Printf("Compiling shader:\n");
- if (vertexstrings_count)
- {
- Con_Printf("------ VERTEX SHADER ------\n");
- for (i = 0;i < vertexstrings_count;i++)
- Con_Print(vertexstrings_list[i]);
- Con_Print("\n");
- }
- if (fragmentstrings_count)
- {
- Con_Printf("------ FRAGMENT SHADER ------\n");
- for (i = 0;i < fragmentstrings_count;i++)
- Con_Print(fragmentstrings_list[i]);
- Con_Print("\n");
- }
- }
+ if (vertexstrings_count && !GL_Backend_CompileShader(programobject, GL_VERTEX_SHADER_ARB, "vertex", vertexstrings_count, vertexstrings_list))
+ goto cleanup;
- if (vertexstrings_count)
- {
- vertexshaderobject = qglCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);CHECKGLERROR
- if (!vertexshaderobject)
- {
- qglDeleteObjectARB(programobject);
- CHECKGLERROR
- return 0;
- }
- qglShaderSourceARB(vertexshaderobject, vertexstrings_count, vertexstrings_list, NULL);CHECKGLERROR
- qglCompileShaderARB(vertexshaderobject);CHECKGLERROR
- qglGetObjectParameterivARB(vertexshaderobject, GL_OBJECT_COMPILE_STATUS_ARB, &vertexshadercompiled);CHECKGLERROR
- qglGetInfoLogARB(vertexshaderobject, sizeof(compilelog), NULL, compilelog);CHECKGLERROR
- if (compilelog[0])
- Con_DPrintf("vertex shader compile log:\n%s\n", compilelog);
- if (!vertexshadercompiled)
- {
- qglDeleteObjectARB(programobject);CHECKGLERROR
- qglDeleteObjectARB(vertexshaderobject);CHECKGLERROR
- return 0;
- }
- qglAttachObjectARB(programobject, vertexshaderobject);CHECKGLERROR
- qglDeleteObjectARB(vertexshaderobject);CHECKGLERROR
- }
+#ifdef GL_GEOMETRY_SHADER_ARB
+ if (geometrystrings_count && !GL_Backend_CompileShader(programobject, GL_GEOMETRY_SHADER_ARB, "geometry", geometrystrings_count, geometrystrings_list))
+ goto cleanup;
+#endif
- if (fragmentstrings_count)
- {
- fragmentshaderobject = qglCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);CHECKGLERROR
- if (!fragmentshaderobject)
- {
- qglDeleteObjectARB(programobject);CHECKGLERROR
- return 0;
- }
- qglShaderSourceARB(fragmentshaderobject, fragmentstrings_count, fragmentstrings_list, NULL);CHECKGLERROR
- qglCompileShaderARB(fragmentshaderobject);CHECKGLERROR
- qglGetObjectParameterivARB(fragmentshaderobject, GL_OBJECT_COMPILE_STATUS_ARB, &fragmentshadercompiled);CHECKGLERROR
- qglGetInfoLogARB(fragmentshaderobject, sizeof(compilelog), NULL, compilelog);CHECKGLERROR
- if (compilelog[0])
- Con_DPrintf("fragment shader compile log:\n%s\n", compilelog);
- if (!fragmentshadercompiled)
- {
- qglDeleteObjectARB(programobject);CHECKGLERROR
- qglDeleteObjectARB(fragmentshaderobject);CHECKGLERROR
- return 0;
- }
- qglAttachObjectARB(programobject, fragmentshaderobject);CHECKGLERROR
- qglDeleteObjectARB(fragmentshaderobject);CHECKGLERROR
- }
+ if (fragmentstrings_count && !GL_Backend_CompileShader(programobject, GL_FRAGMENT_SHADER_ARB, "fragment", fragmentstrings_count, fragmentstrings_list))
+ goto cleanup;
qglLinkProgramARB(programobject);CHECKGLERROR
qglGetObjectParameterivARB(programobject, GL_OBJECT_LINK_STATUS_ARB, &programlinked);CHECKGLERROR
- qglGetInfoLogARB(programobject, sizeof(compilelog), NULL, compilelog);CHECKGLERROR
- if (compilelog[0])
+ qglGetInfoLogARB(programobject, sizeof(linklog), NULL, linklog);CHECKGLERROR
+ if (linklog[0])
{
- Con_DPrintf("program link log:\n%s\n", compilelog);
+ Con_DPrintf("program link log:\n%s\n", linklog);
// software vertex shader is ok but software fragment shader is WAY
// too slow, fail program if so.
// NOTE: this string might be ATI specific, but that's ok because the
// ATI R300 chip (Radeon 9500-9800/X300) is the most likely to use a
// software fragment shader due to low instruction and dependent
// texture limits.
- if (strstr(compilelog, "fragment shader will run in software"))
+ if (strstr(linklog, "fragment shader will run in software"))
programlinked = false;
}
if (!programlinked)
- {
- qglDeleteObjectARB(programobject);CHECKGLERROR
- return 0;
- }
- CHECKGLERROR
+ goto cleanup;
return programobject;
+cleanup:
+ qglDeleteObjectARB(programobject);CHECKGLERROR
+ return 0;
}
void GL_Backend_FreeProgram(unsigned int prog)
unsigned int numelements = numtriangles * 3;
if (numvertices < 3 || numtriangles < 1)
{
- Con_Printf("R_Mesh_Draw(%d, %d, %d, %08p);\n", firstvertex, numvertices, numtriangles, elements);
+ Con_Printf("R_Mesh_Draw(%d, %d, %d, %8p);\n", firstvertex, numvertices, numtriangles, elements);
return;
}
CHECKGLERROR
{
if (memcmp(matrix, &backend_modelmatrix, sizeof(matrix4x4_t)))
{
+ double glmatrix[16];
backend_modelmatrix = *matrix;
Matrix4x4_Concat(&backend_modelviewmatrix, &backend_viewmatrix, matrix);
- Matrix4x4_Transpose(&backend_glmodelviewmatrix, &backend_modelviewmatrix);
+ Matrix4x4_ToArrayDoubleGL(&backend_modelviewmatrix, glmatrix);
CHECKGLERROR
- qglLoadMatrixf(&backend_glmodelviewmatrix.m[0][0]);CHECKGLERROR
+ qglLoadMatrixd(glmatrix);CHECKGLERROR
}
}
// texmatrix specified, check if it is different
if (!unit->texmatrixenabled || memcmp(&unit->matrix, matrix, sizeof(matrix4x4_t)))
{
- matrix4x4_t tempmatrix;
+ double glmatrix[16];
unit->texmatrixenabled = true;
unit->matrix = *matrix;
CHECKGLERROR
- Matrix4x4_Transpose(&tempmatrix, &unit->matrix);
+ Matrix4x4_ToArrayDoubleGL(&unit->matrix, glmatrix);
qglMatrixMode(GL_TEXTURE);CHECKGLERROR
GL_ActiveTexture(unitnum);
- qglLoadMatrixf(&tempmatrix.m[0][0]);CHECKGLERROR
+ qglLoadMatrixd(glmatrix);CHECKGLERROR
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
}
}
projects / xonotic / darkplaces.git / blobdiff