diff options
Diffstat (limited to 'src/mesa/program/prog_statevars.c')
| -rw-r--r-- | src/mesa/program/prog_statevars.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c index baac29ff0d..c310acb01d 100644 --- a/src/mesa/program/prog_statevars.c +++ b/src/mesa/program/prog_statevars.c @@ -572,6 +572,24 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[], value[3] = 0.0F; return; + case STATE_FB_WPOS_Y_TRANSFORM: + /* A driver may negate this conditional by using ZW swizzle + * instead of XY (based on e.g. some other state). */ + if (ctx->DrawBuffer->Name != 0) { + /* Identity (XY) followed by flipping Y upside down (ZW). */ + value[0] = 1.0F; + value[1] = 0.0F; + value[2] = -1.0F; + value[3] = (GLfloat) (ctx->DrawBuffer->Height - 1); + } else { + /* Flipping Y upside down (XY) followed by identity (ZW). */ + value[0] = -1.0F; + value[1] = (GLfloat) (ctx->DrawBuffer->Height - 1); + value[2] = 1.0F; + value[3] = 0.0F; + } + return; + case STATE_ROT_MATRIX_0: { const int unit = (int) state[2]; @@ -695,6 +713,7 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]) return _NEW_PIXEL; case STATE_FB_SIZE: + case STATE_FB_WPOS_Y_TRANSFORM: return _NEW_BUFFERS; default: @@ -900,6 +919,9 @@ append_token(char *dst, gl_state_index k) case STATE_FB_SIZE: append(dst, "FbSize"); break; + case STATE_FB_WPOS_Y_TRANSFORM: + append(dst, "FbWposYTransform"); + break; case STATE_ROT_MATRIX_0: append(dst, "rotMatrixRow0"); break; @@ -1046,7 +1068,9 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]) * Loop over all the parameters in a parameter list. If the parameter * is a GL state reference, look up the current value of that state * variable and put it into the parameter's Value[4] array. - * This would be called at glBegin time when using a fragment program. + * Other parameter types never change or are explicitly set by the user + * with glUniform() or glProgramParameter(), etc. + * This would be called at glBegin time. */ void _mesa_load_state_parameters(struct gl_context *ctx, @@ -1057,12 +1081,10 @@ _mesa_load_state_parameters(struct gl_context *ctx, if (!paramList) return; - /*assert(ctx->Driver.NeedFlush == 0);*/ - for (i = 0; i < paramList->NumParameters; i++) { if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) { _mesa_fetch_state(ctx, - (gl_state_index *) paramList->Parameters[i].StateIndexes, + paramList->Parameters[i].StateIndexes, paramList->ParameterValues[i]); } } |