From 948fa3b295d384592ebc9396413a38aba4edf4a6 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 10 May 2005 11:38:56 +0000 Subject: [PATCH] get fog working with _TexEnvProgram --- src/mesa/drivers/dri/i915/i915_fragprog.c | 22 +++++++++++++++++----- src/mesa/drivers/dri/i915/i915_state.c | 2 +- src/mesa/drivers/dri/i915/i915_vtbl.c | 1 + 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c index 43f03ccb854..150d9bd2c22 100644 --- a/src/mesa/drivers/dri/i915/i915_fragprog.c +++ b/src/mesa/drivers/dri/i915/i915_fragprog.c @@ -981,15 +981,27 @@ void i915ValidateFragmentProgram( i915ContextPtr i915 ) EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4 ); } - if (inputsRead & FRAG_BIT_COL1) { - intel->specoffset = offset / 4; - EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3 ); - EMIT_PAD( 1 ); + if ((inputsRead & (FRAG_BIT_COL1|FRAG_BIT_FOGC)) || + i915->vertex_fog != I915_FOG_NONE) { + + if (inputsRead & FRAG_BIT_COL1) { + intel->specoffset = offset / 4; + EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, S4_VFMT_SPEC_FOG, 3 ); + } + else + EMIT_PAD(3); + + if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) + EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1 ); + else + EMIT_PAD( 1 ); } - if (inputsRead & FRAG_BIT_FOGC) { +#if 0 + if ((inputsRead & FRAG_BIT_FOGC) || i915->vertex_fog != I915_FOG_NONE) { EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4 ); } +#endif for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) { if (inputsRead & FRAG_BIT_TEX(i)) { diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index 00b8a12627e..adb17b21873 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -533,7 +533,7 @@ void i915_update_fog( GLcontext *ctx ) mode = ctx->FragmentProgram._Current->FogOption; enabled = (mode != GL_NONE); - try_pixel_fog = 1; + try_pixel_fog = 0; } else { enabled = ctx->Fog.Enabled; diff --git a/src/mesa/drivers/dri/i915/i915_vtbl.c b/src/mesa/drivers/dri/i915/i915_vtbl.c index dc3342d0d54..79528660106 100644 --- a/src/mesa/drivers/dri/i915/i915_vtbl.c +++ b/src/mesa/drivers/dri/i915/i915_vtbl.c @@ -107,6 +107,7 @@ static GLboolean i915_check_vertex_size( intelContextPtr intel, if (lis4 & S4_VFMT_COLOR) sz++; if (lis4 & S4_VFMT_DEPTH_OFFSET) sz++; if (lis4 & S4_VFMT_POINT_WIDTH) sz++; + if (lis4 & S4_VFMT_FOG_PARAM) sz++; for (i = 0 ; i < 8 ; i++) { switch (lis2 & S2_TEXCOORD_FMT0_MASK) { -- 2.30.2