diff options
Diffstat (limited to 'src/mesa/shader/prog_statevars.c')
-rw-r--r-- | src/mesa/shader/prog_statevars.c | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c index 91392650a36..971eb25a491 100644 --- a/src/mesa/shader/prog_statevars.c +++ b/src/mesa/shader/prog_statevars.c @@ -29,15 +29,14 @@ */ -#include "glheader.h" -#include "context.h" -#include "hash.h" -#include "imports.h" -#include "macros.h" -#include "mtypes.h" +#include "main/glheader.h" +#include "main/context.h" +#include "main/hash.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mtypes.h" #include "prog_statevars.h" #include "prog_parameter.h" -#include "nvvertparse.h" /** @@ -134,10 +133,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], value[3] = 1.0; } return; - case STATE_POSITION_NORMALIZED: - COPY_4V(value, ctx->Light.Light[ln].EyePosition); - NORMALIZE_3FV( value ); - return; default: _mesa_problem(ctx, "Invalid light state in fetch_state"); return; @@ -401,7 +396,11 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], case STATE_INTERNAL: switch (state[1]) { case STATE_NORMAL_SCALE: - ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1); + ASSIGN_4V(value, + ctx->_ModelViewInvScale, + ctx->_ModelViewInvScale, + ctx->_ModelViewInvScale, + 1); return; case STATE_TEXRECT_SCALE: { @@ -428,18 +427,48 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], value[0] = (ctx->Fog.End == ctx->Fog.Start) ? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start)); value[1] = ctx->Fog.End * -value[0]; - value[2] = ctx->Fog.Density * ONE_DIV_LN2; - value[3] = ctx->Fog.Density * ONE_DIV_SQRT_LN2; + value[2] = (GLfloat)(ctx->Fog.Density * ONE_DIV_LN2); + value[3] = (GLfloat)(ctx->Fog.Density * ONE_DIV_SQRT_LN2); return; - case STATE_SPOT_DIR_NORMALIZED: { + + case STATE_LIGHT_SPOT_DIR_NORMALIZED: { /* here, state[2] is the light number */ /* pre-normalize spot dir */ const GLuint ln = (GLuint) state[2]; - COPY_3V(value, ctx->Light.Light[ln].EyeDirection); - NORMALIZE_3FV(value); + COPY_3V(value, ctx->Light.Light[ln]._NormDirection); value[3] = ctx->Light.Light[ln]._CosCutoff; return; } + + case STATE_LIGHT_POSITION: { + const GLuint ln = (GLuint) state[2]; + COPY_4V(value, ctx->Light.Light[ln]._Position); + return; + } + + case STATE_LIGHT_POSITION_NORMALIZED: { + const GLuint ln = (GLuint) state[2]; + COPY_4V(value, ctx->Light.Light[ln]._Position); + NORMALIZE_3FV( value ); + return; + } + + case STATE_LIGHT_HALF_VECTOR: { + const GLuint ln = (GLuint) state[2]; + GLfloat p[3]; + /* Compute infinite half angle vector: + * halfVector = normalize(normalize(lightPos) + (0, 0, 1)) + * light.EyePosition.w should be 0 for infinite lights. + */ + COPY_3V(p, ctx->Light.Light[ln]._Position); + NORMALIZE_3FV(p); + ADD_3V(value, p, ctx->_EyeZDir); + NORMALIZE_3FV(value); + value[3] = 1.0; + return; + } + + case STATE_PT_SCALE: value[0] = ctx->Pixel.RedScale; value[1] = ctx->Pixel.GreenScale; @@ -711,7 +740,6 @@ append_token(char *dst, gl_state_index k) append(dst, "normalScale"); break; case STATE_INTERNAL: - case STATE_POSITION_NORMALIZED: append(dst, "(internal)"); break; case STATE_PT_SCALE: |