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| author | marha <marha@users.sourceforge.net> | 2011-08-29 08:51:20 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-08-29 08:51:20 +0200 |
| commit | 01df5d59e56a1b060568f8cad2e89f7eea22fc70 (patch) | |
| tree | 9db83037fd85d0974b60fc1a05e0665083f26000 /mesalib/src/mesa/program/prog_execute.c | |
| parent | fd1f4d9fe3ea67fa6def8ee4927a8f71e0440f12 (diff) | |
| download | vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.tar.gz vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.tar.bz2 vcxsrv-01df5d59e56a1b060568f8cad2e89f7eea22fc70.zip | |
xwininfo libX11 libXmu libxcb mesa xserver xkeyboard-config git update 29
aug 2011
Diffstat (limited to 'mesalib/src/mesa/program/prog_execute.c')
| -rw-r--r-- | mesalib/src/mesa/program/prog_execute.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mesalib/src/mesa/program/prog_execute.c b/mesalib/src/mesa/program/prog_execute.c index dbfd1b918..77f842a16 100644 --- a/mesalib/src/mesa/program/prog_execute.c +++ b/mesalib/src/mesa/program/prog_execute.c @@ -639,7 +639,7 @@ _mesa_execute_program(struct gl_context * ctx, struct gl_program_machine *machine) { const GLuint numInst = program->NumInstructions; - const GLuint maxExec = 10000; + const GLuint maxExec = 65536; GLuint pc, numExec = 0; machine->CurProgram = program; @@ -1651,6 +1651,14 @@ _mesa_execute_program(struct gl_context * ctx, GLfloat texcoord[4], color[4]; fetch_vector4(&inst->SrcReg[0], machine, texcoord); + /* For TEX, texcoord.Q should not be used and its value should not + * matter (at most, we pass coord.xyz to texture3D() in GLSL). + * Set Q=1 so that FetchTexelDeriv() doesn't get a garbage value + * which is effectively what happens when the texcoord swizzle + * is .xyzz + */ + texcoord[3] = 1.0f; + fetch_texel(ctx, machine, inst, texcoord, 0.0, color); if (DEBUG_PROG) { |