diff options
| author | Brian Paul <brianp@vmware.com> | 2009-03-20 20:15:58 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-03-20 20:29:06 -0600 |
| commit | 1f45ae0813f72fa92f52e0ebc440922362dc7cce (patch) | |
| tree | f69817806df333057425a19c13c300dbbc163782 /src | |
| parent | 12256fc2b2e0a54db24210a4b86f6fb5919d0fe8 (diff) | |
mesa: add new internal state var for window size
Actually, window width - 1, height - 1
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/shader/prog_statevars.c | 13 | ||||
| -rw-r--r-- | src/mesa/shader/prog_statevars.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c index f51d9e2651..aeb7cf6de2 100644 --- a/src/mesa/shader/prog_statevars.c +++ b/src/mesa/shader/prog_statevars.c @@ -506,6 +506,13 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], } } return; + case STATE_FB_SIZE: + value[0] = (GLfloat) (ctx->DrawBuffer->Width - 1); + value[1] = (GLfloat) (ctx->DrawBuffer->Height - 1); + value[2] = 0.0F; + value[3] = 0.0F; + return; + case STATE_ROT_MATRIX_0: { const int unit = (int) state[2]; @@ -628,6 +635,9 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]) case STATE_PCM_BIAS: return _NEW_PIXEL; + case STATE_FB_SIZE: + return _NEW_BUFFERS; + default: /* unknown state indexes are silently ignored and * no flag set, since it is handled by the driver. @@ -828,6 +838,9 @@ append_token(char *dst, gl_state_index k) case STATE_SHADOW_AMBIENT: append(dst, "CompareFailValue"); break; + case STATE_FB_SIZE: + append(dst, "FbSize"); + break; case STATE_ROT_MATRIX_0: append(dst, "rotMatrixRow0"); break; diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h index d563080db1..1180d9eaa4 100644 --- a/src/mesa/shader/prog_statevars.h +++ b/src/mesa/shader/prog_statevars.h @@ -117,6 +117,7 @@ typedef enum gl_state_index_ { STATE_PCM_SCALE, /**< Post color matrix RGBA scale */ STATE_PCM_BIAS, /**< Post color matrix RGBA bias */ STATE_SHADOW_AMBIENT, /**< ARB_shadow_ambient fail value; token[2] is texture unit index */ + STATE_FB_SIZE, /**< (width-1, height-1, 0, 0) */ STATE_ROT_MATRIX_0, /**< ATI_envmap_bumpmap, rot matrix row 0 */ STATE_ROT_MATRIX_1, /**< ATI_envmap_bumpmap, rot matrix row 1 */ STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */ |