Merge branch 'gallium-0.1' into gallium-0.2

A first attempt at moving gallium onto a branch directly off master...

It will be interesting to see how much work this takes to get running.

Have resolved the conflicts semi-arbitarily, not compiled or tested.

Conflicts:

	.gitignore
	Makefile
	configs/config.mgw
	configs/darwin
	configs/darwin-x86ppc
	configs/default
	configs/freebsd-dri
	configs/linux-dri
	configs/linux-dri-xcb
	configs/linux-fbdev
	configs/linux-static
	configs/linux-x86-64-static
	configs/linux-x86-static
	doxygen/Makefile
	include/GL/gl.h
	progs/demos/Makefile
	progs/demos/descrip.mms
	progs/demos/texenv.c
	progs/egl/.gitignore
	progs/egl/Makefile
	progs/glsl/.gitignore
	progs/glsl/Makefile
	progs/glsl/convolutions.c
	progs/samples/Makefile.mgw
	progs/tests/.gitignore
	progs/trivial/.gitignore
	progs/trivial/point-param.c
	progs/trivial/tri.c
	progs/xdemos/.gitignore
	progs/xdemos/glthreads.c
	src/egl/drivers/demo/Makefile
	src/egl/drivers/dri/Makefile
	src/egl/main/Makefile
	src/glu/Makefile
	src/glu/sgi/Makefile
	src/glu/sgi/Makefile.mgw
	src/glut/glx/Makefile.mgw
	src/glut/os2/WarpWin.cpp
	src/glut/os2/glut_cindex.cpp
	src/glut/os2/glut_gamemode.cpp
	src/glut/os2/glut_win.cpp
	src/glut/os2/glut_winmisc.cpp
	src/glut/os2/os2_glx.cpp
	src/glut/os2/os2_menu.cpp
	src/glut/os2/os2_winproc.cpp
	src/glw/Makefile
	src/glx/x11/dri_glx.c
	src/glx/x11/glxext.c
	src/mesa/Makefile
	src/mesa/Makefile.mgw
	src/mesa/descrip.mms
	src/mesa/drivers/beos/Makefile
	src/mesa/drivers/common/descrip.mms
	src/mesa/drivers/common/driverfuncs.c
	src/mesa/drivers/directfb/Makefile
	src/mesa/drivers/dri/Makefile.template
	src/mesa/drivers/dri/common/dri_bufmgr.c
	src/mesa/drivers/dri/common/dri_bufmgr.h
	src/mesa/drivers/dri/common/dri_util.c
	src/mesa/drivers/dri/common/extension_helper.h
	src/mesa/drivers/dri/common/mmio.h
	src/mesa/drivers/dri/common/utils.c
	src/mesa/drivers/dri/common/utils.h
	src/mesa/drivers/dri/glcore/Makefile
	src/mesa/drivers/dri/i810/i810screen.c
	src/mesa/drivers/dri/i915/intel_ioctl.c
	src/mesa/drivers/dri/i915/intel_ioctl.h
	src/mesa/drivers/dri/i915/intel_screen.c
	src/mesa/drivers/dri/i915/server/i830_common.h
	src/mesa/drivers/dri/i915/server/i830_dri.h
	src/mesa/drivers/dri/i965/intel_screen.c
	src/mesa/drivers/dri/i965/server/i830_common.h
	src/mesa/drivers/dri/i965/server/i830_dri.h
	src/mesa/drivers/dri/mach64/mach64_screen.c
	src/mesa/drivers/dri/nouveau/nouveau_context.h
	src/mesa/drivers/dri/nouveau/nouveau_fifo.c
	src/mesa/drivers/dri/nouveau/nouveau_fifo.h
	src/mesa/drivers/dri/nouveau/nouveau_screen.c
	src/mesa/drivers/dri/nouveau/nouveau_screen.h
	src/mesa/drivers/dri/r128/r128_tex.h
	src/mesa/drivers/dri/savage/savageioctl.h
	src/mesa/drivers/fbdev/Makefile
	src/mesa/drivers/osmesa/Makefile
	src/mesa/drivers/osmesa/descrip.mms
	src/mesa/drivers/x11/Makefile
	src/mesa/drivers/x11/descrip.mms
	src/mesa/drivers/x11/xm_dd.c
	src/mesa/glapi/glapi.c
	src/mesa/glapi/glthread.c
	src/mesa/main/api_validate.c
	src/mesa/main/attrib.c
	src/mesa/main/bufferobj.c
	src/mesa/main/bufferobj.h
	src/mesa/main/buffers.c
	src/mesa/main/config.h
	src/mesa/main/context.c
	src/mesa/main/descrip.mms
	src/mesa/main/drawpix.c
	src/mesa/main/enums.c
	src/mesa/main/fbobject.c
	src/mesa/main/glheader.h
	src/mesa/main/imports.c
	src/mesa/main/mipmap.c
	src/mesa/main/mm.c
	src/mesa/main/mm.h
	src/mesa/main/mtypes.h
	src/mesa/main/points.c
	src/mesa/main/sources
	src/mesa/main/state.c
	src/mesa/main/texcompress_fxt1.c
	src/mesa/main/texenvprogram.c
	src/mesa/main/texobj.c
	src/mesa/main/texstate.c
	src/mesa/main/texstore.c
	src/mesa/math/descrip.mms
	src/mesa/shader/arbprogram.c
	src/mesa/shader/descrip.mms
	src/mesa/shader/prog_execute.c
	src/mesa/shader/prog_statevars.c
	src/mesa/shader/prog_statevars.h
	src/mesa/shader/prog_uniform.c
	src/mesa/shader/program.c
	src/mesa/shader/program.h
	src/mesa/shader/shader_api.c
	src/mesa/shader/slang/descrip.mms
	src/mesa/shader/slang/library/slang_vertex_builtin_gc.h
	src/mesa/sources
	src/mesa/swrast/descrip.mms
	src/mesa/swrast/s_drawpix.c
	src/mesa/swrast/s_fragprog.c
	src/mesa/swrast/s_readpix.c
	src/mesa/swrast/s_span.c
	src/mesa/swrast_setup/descrip.mms
	src/mesa/tnl/descrip.mms
	src/mesa/tnl/t_context.h
	src/mesa/tnl/t_vp_build.c
	src/mesa/tnl/tnl.h
	src/mesa/vbo/descrip.mms
	src/mesa/vbo/vbo_context.c
	src/mesa/vbo/vbo_exec_array.c
	src/mesa/x86-64/xform4.S
	src/mesa/x86/rtasm/x86sse.c
	src/mesa/x86/rtasm/x86sse.h
	windows/VC6/progs/glut/glut.dsp
	windows/VC7/mesa/gdi/gdi.vcproj
	windows/VC7/mesa/glu/glu.vcproj
	windows/VC7/mesa/mesa.sln
	windows/VC7/mesa/mesa/mesa.vcproj
	windows/VC7/mesa/osmesa/osmesa.vcproj
	windows/VC7/progs/glut/glut.vcproj
	windows/VC8/mesa/gdi/gdi.vcproj
	windows/VC8/mesa/glu/glu.vcproj
	windows/VC8/mesa/mesa.sln
	windows/VC8/mesa/mesa/mesa.vcproj
	windows/VC8/progs/glut/glut.vcproj

1 files changed, 313 insertions, 0 deletions

diff --git a/progs/vpglsl/vp-tris.c b/progs/vpglsl/vp-tris.c
new file mode 100644
index 00000000000..9108d3f1978
--- /dev/null
+++ b/progs/vpglsl/vp-tris.c
@@ -0,0 +1,313 @@
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static const char *filename = NULL;
+static GLuint nr_steps = 4;
+
+static GLuint fragShader;
+static GLuint vertShader;
+static GLuint program;
+
+static void usage( char *name )
+{
+   fprintf( stderr, "usage: %s [ options ] shader_filename\n", name );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "options:\n" );
+   fprintf( stderr, "    -f     flat shaded\n" );
+   fprintf( stderr, "    -nNr  subdivision steps\n" );
+}
+
+
+static void load_and_compile_shader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader(shader);
+
+   glGetShaderiv(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog(shader, 1000, &len, log);
+      fprintf(stderr, "vp-tris: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+static void read_shader(GLuint shader, const char *filename)
+{
+   const int max = 100*1000;
+   int n;
+   char *buffer = (char*) malloc(max);
+   FILE *f = fopen(filename, "r");
+   if (!f) {
+      fprintf(stderr, "vp-tris: Unable to open shader file %s\n", filename);
+      exit(1);
+   }
+
+   n = fread(buffer, 1, max, f);
+   printf("vp-tris: read %d bytes from shader file %s\n", n, filename);
+   if (n > 0) {
+      buffer[n] = 0;
+      load_and_compile_shader(shader, buffer);
+   }
+
+   fclose(f);
+   free(buffer);
+}
+
+static void check_link(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+static void setup_uniforms()
+{
+   {
+      GLuint loc1f = glGetUniformLocationARB(program, "Offset1f");
+      GLuint loc2f = glGetUniformLocationARB(program, "Offset2f");
+      GLuint loc4f = glGetUniformLocationARB(program, "Offset4f");
+      GLfloat vecKer[] =
+         { 1.0, 0.0, 0.0,  1.0,
+           0.0, 1.0, 0.0,  1.0,
+           1.0, 0.0, 0.0,  1.0,
+           0.0, 0.0, 0.0,  1.0
+         };
+      if (loc1f >= 0)
+         glUniform1fv(loc1f, 16, vecKer);
+
+      if (loc2f >= 0)
+         glUniform2fv(loc2f, 8, vecKer);
+
+      if (loc4f >= 0)
+         glUniform4fv(loc4f, 4, vecKer);
+
+   }
+
+   GLuint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
+   GLuint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
+   GLuint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
+   GLfloat vecKer[] =
+      { 1.0, 0.0, 0.0,  0.25,
+        0.0, 1.0, 0.0,  0.25,
+        0.0, 0.0, 1.0,  0.25,
+        0.0, 0.0, 0.0,  0.25,
+        0.5, 0.0, 0.0,  0.35,
+        0.0, 0.5, 0.0,  0.35,
+        0.0, 0.0, 0.5,  0.35,
+        0.0, 0.0, 0.0,  0.35
+      };
+   if (loc1f >= 0)
+      glUniform1fv(loc1f, 16, vecKer);
+
+   if (loc2f >= 0)
+      glUniform2fv(loc2f, 8, vecKer);
+
+   if (loc4f >= 0)
+      glUniform4fv(loc4f, 4, vecKer);
+}
+
+static void prepare_shaders()
+{
+   static const char *fragShaderText =
+      "void main() {\n"
+      "    gl_FragColor = gl_Color;\n"
+      "}\n";
+   static const char *vertShaderText =
+      "void main() {\n"
+      "   gl_FrontColor = gl_Color;\n"
+      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "}\n";
+   fragShader = glCreateShader(GL_FRAGMENT_SHADER);
+   load_and_compile_shader(fragShader, fragShaderText);
+
+
+   vertShader = glCreateShader(GL_VERTEX_SHADER);
+   if (filename)
+      read_shader(vertShader, filename);
+   else
+      load_and_compile_shader(vertShader, vertShaderText);
+
+   program = glCreateProgram();
+   glAttachShader(program, fragShader);
+   glAttachShader(program, vertShader);
+   glLinkProgram(program);
+   check_link(program);
+   glUseProgram(program);
+
+   setup_uniforms();
+}
+
+static void args(int argc, char *argv[])
+{
+   GLint i;
+
+   for (i = 1; i < argc; i++) {
+      if (strncmp(argv[i], "-n", 2) == 0) {
+	 nr_steps = atoi((argv[i]) + 2);
+      }
+      else if (strcmp(argv[i], "-f") == 0) {
+	 glShadeModel(GL_FLAT);
+      }
+      else if (i == argc - 1) {
+	 filename = argv[i];
+      }
+      else {
+	 usage(argv[0]);
+	 exit(1);
+      }
+   }
+
+   if (!filename) {
+      usage(argv[0]);
+      exit(1);
+   }
+}
+
+
+
+
+union vert {
+   struct {
+      GLfloat color[3];
+      GLfloat pos[3];
+   } v;
+   GLfloat f[6];
+};
+
+static void make_midpoint( union vert *out,
+			   const union vert *v0,
+			   const union vert *v1)
+{
+   int i;
+   for (i = 0; i < 6; i++)
+      out->f[i] = v0->f[i] + .5 * (v1->f[i] - v0->f[i]);
+}
+
+static void subdiv( union vert *v0,
+		    union vert *v1,
+		    union vert *v2,
+		    GLuint depth )
+{
+   if (depth == 0) {
+      glColor3fv(v0->v.color);
+      glVertex3fv(v0->v.pos);
+      glColor3fv(v1->v.color);
+      glVertex3fv(v1->v.pos);
+      glColor3fv(v2->v.color);
+      glVertex3fv(v2->v.pos);
+   }
+   else {
+      union vert m[3];
+
+      make_midpoint(&m[0], v0, v1);
+      make_midpoint(&m[1], v1, v2);
+      make_midpoint(&m[2], v2, v0);
+
+      subdiv(&m[0], &m[2], v0, depth-1);
+      subdiv(&m[1], &m[0], v1, depth-1);
+      subdiv(&m[2], &m[1], v2, depth-1);
+      subdiv(&m[0], &m[1], &m[2], depth-1);
+   }
+}
+
+/** Assignment */
+#define ASSIGN_3V( V, V0, V1, V2 )  \
+do {                                \
+    V[0] = V0;                      \
+    V[1] = V1;                      \
+    V[2] = V2;                      \
+} while(0)
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glUseProgram(program);
+
+   glBegin(GL_TRIANGLES);
+
+
+   {
+      union vert v[3];
+
+      ASSIGN_3V(v[0].v.color, 0,0,1);
+      ASSIGN_3V(v[0].v.pos,  0.9, -0.9, 0.0);
+      ASSIGN_3V(v[1].v.color, 1,0,0);
+      ASSIGN_3V(v[1].v.pos, 0.9, 0.9, 0.0);
+      ASSIGN_3V(v[2].v.color, 0,1,0);
+      ASSIGN_3V(v[2].v.pos, -0.9, 0, 0.0);
+
+      subdiv(&v[0], &v[1], &v[2], nr_steps);
+   }
+
+   glEnd();
+
+
+   glFlush();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void CleanUp(void)
+{
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
+}
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         CleanUp();
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   args( argc, argv );
+   prepare_shaders();
+   glutMainLoop();
+   return 0;
+}