From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../src/mesa/drivers/dri/radeon/radeon_lighting.c | 682 +++++++++++++++++++++ 1 file changed, 682 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/radeon/radeon_lighting.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/radeon/radeon_lighting.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/radeon/radeon_lighting.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/radeon/radeon_lighting.c new file mode 100644 index 000000000..44e00af0e --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/radeon/radeon_lighting.c @@ -0,0 +1,682 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_state.c,v 1.5 2002/09/16 18:05:20 eich Exp $ */ +/* + * Copyright 2000, 2001 VA Linux Systems Inc., Fremont, California. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes + * Keith Whitwell + */ + +#include "glheader.h" +#include "imports.h" +#include "api_arrayelt.h" +/* #include "mmath.h" */ +#include "enums.h" +#include "colormac.h" + + +#include "radeon_context.h" +#include "radeon_ioctl.h" +#include "radeon_state.h" +#include "radeon_tcl.h" +#include "radeon_tex.h" +#include "radeon_vtxfmt.h" + + + +/* ============================================================= + * Materials + */ + + +/* Update on colormaterial, material emmissive/ambient, + * lightmodel.globalambient + */ +void update_global_ambient( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + float *fcmd = (float *)RADEON_DB_STATE( glt ); + + /* Need to do more if both emmissive & ambient are PREMULT: + */ + if ((rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] & + ((3 << RADEON_EMISSIVE_SOURCE_SHIFT) | + (3 << RADEON_AMBIENT_SOURCE_SHIFT))) == 0) + { + COPY_3V( &fcmd[GLT_RED], + ctx->Light.Material[0].Emission); + ACC_SCALE_3V( &fcmd[GLT_RED], + ctx->Light.Model.Ambient, + ctx->Light.Material[0].Ambient); + } + else + { + COPY_3V( &fcmd[GLT_RED], ctx->Light.Model.Ambient ); + } + + RADEON_DB_STATECHANGE(rmesa, &rmesa->hw.glt); +} + +/* Update on change to + * - light[p].colors + * - light[p].enabled + * - material, + * - colormaterial enabled + * - colormaterial bitmask + */ +void update_light_colors( GLcontext *ctx, GLuint p ) +{ + struct gl_light *l = &ctx->Light.Light[p]; + +/* fprintf(stderr, "%s\n", __FUNCTION__); */ + + if (l->Enabled) { + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + float *fcmd = (float *)RADEON_DB_STATE( lit[p] ); + GLuint bitmask = ctx->Light.ColorMaterialBitmask; + struct gl_material *mat = &ctx->Light.Material[0]; + + COPY_4V( &fcmd[LIT_AMBIENT_RED], l->Ambient ); + COPY_4V( &fcmd[LIT_DIFFUSE_RED], l->Diffuse ); + COPY_4V( &fcmd[LIT_SPECULAR_RED], l->Specular ); + + if (!ctx->Light.ColorMaterialEnabled) + bitmask = 0; + + if ((bitmask & FRONT_AMBIENT_BIT) == 0) + SELF_SCALE_3V( &fcmd[LIT_AMBIENT_RED], mat->Ambient ); + + if ((bitmask & FRONT_DIFFUSE_BIT) == 0) + SELF_SCALE_3V( &fcmd[LIT_DIFFUSE_RED], mat->Diffuse ); + + if ((bitmask & FRONT_SPECULAR_BIT) == 0) + SELF_SCALE_3V( &fcmd[LIT_SPECULAR_RED], mat->Specular ); + + RADEON_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] ); + } +} + +/* Also fallback for asym colormaterial mode in twoside lighting... + */ +void check_twoside_fallback( GLcontext *ctx ) +{ + GLboolean fallback = GL_FALSE; + + if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) { + if (memcmp( &ctx->Light.Material[0], + &ctx->Light.Material[1], + sizeof(struct gl_material)) != 0) + fallback = GL_TRUE; + else if (ctx->Light.ColorMaterialEnabled && + (ctx->Light.ColorMaterialBitmask & BACK_MATERIAL_BITS) != + ((ctx->Light.ColorMaterialBitmask & FRONT_MATERIAL_BITS)<<1)) + fallback = GL_TRUE; + } + + TCL_FALLBACK( ctx, RADEON_TCL_FALLBACK_LIGHT_TWOSIDE, fallback ); +} + +void radeonColorMaterial( GLcontext *ctx, GLenum face, GLenum mode ) +{ + if (ctx->Light.ColorMaterialEnabled) { + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + GLuint light_model_ctl = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL]; + GLuint mask = ctx->Light.ColorMaterialBitmask; + + /* Default to PREMULT: + */ + light_model_ctl &= ~((3 << RADEON_EMISSIVE_SOURCE_SHIFT) | + (3 << RADEON_AMBIENT_SOURCE_SHIFT) | + (3 << RADEON_DIFFUSE_SOURCE_SHIFT) | + (3 << RADEON_SPECULAR_SOURCE_SHIFT)); + + if (mask & FRONT_EMISSION_BIT) { + light_model_ctl |= (RADEON_LM_SOURCE_VERTEX_DIFFUSE << + RADEON_EMISSIVE_SOURCE_SHIFT); + } + + if (mask & FRONT_AMBIENT_BIT) { + light_model_ctl |= (RADEON_LM_SOURCE_VERTEX_DIFFUSE << + RADEON_AMBIENT_SOURCE_SHIFT); + } + + if (mask & FRONT_DIFFUSE_BIT) { + light_model_ctl |= (RADEON_LM_SOURCE_VERTEX_DIFFUSE << + RADEON_DIFFUSE_SOURCE_SHIFT); + } + + if (mask & FRONT_SPECULAR_BIT) { + light_model_ctl |= (RADEON_LM_SOURCE_VERTEX_DIFFUSE << + RADEON_SPECULAR_SOURCE_SHIFT); + } + + if (light_model_ctl != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL]) { + GLuint p; + + RADEON_STATECHANGE( rmesa, tcl ); + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] = light_model_ctl; + + for (p = 0 ; p < MAX_LIGHTS; p++) + update_light_colors( ctx, p ); + update_global_ambient( ctx ); + } + } + + check_twoside_fallback( ctx ); +} + +void radeonUpdateMaterial( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + GLfloat *fcmd = (GLfloat *)RADEON_DB_STATE( mtl ); + GLuint p; + GLuint mask = ~0; + + if (ctx->Light.ColorMaterialEnabled) + mask &= ~ctx->Light.ColorMaterialBitmask; + + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "%s\n", __FUNCTION__); + + + if (mask & FRONT_EMISSION_BIT) { + fcmd[MTL_EMMISSIVE_RED] = ctx->Light.Material[0].Emission[0]; + fcmd[MTL_EMMISSIVE_GREEN] = ctx->Light.Material[0].Emission[1]; + fcmd[MTL_EMMISSIVE_BLUE] = ctx->Light.Material[0].Emission[2]; + fcmd[MTL_EMMISSIVE_ALPHA] = ctx->Light.Material[0].Emission[3]; + } + if (mask & FRONT_AMBIENT_BIT) { + fcmd[MTL_AMBIENT_RED] = ctx->Light.Material[0].Ambient[0]; + fcmd[MTL_AMBIENT_GREEN] = ctx->Light.Material[0].Ambient[1]; + fcmd[MTL_AMBIENT_BLUE] = ctx->Light.Material[0].Ambient[2]; + fcmd[MTL_AMBIENT_ALPHA] = ctx->Light.Material[0].Ambient[3]; + } + if (mask & FRONT_DIFFUSE_BIT) { + fcmd[MTL_DIFFUSE_RED] = ctx->Light.Material[0].Diffuse[0]; + fcmd[MTL_DIFFUSE_GREEN] = ctx->Light.Material[0].Diffuse[1]; + fcmd[MTL_DIFFUSE_BLUE] = ctx->Light.Material[0].Diffuse[2]; + fcmd[MTL_DIFFUSE_ALPHA] = ctx->Light.Material[0].Diffuse[3]; + } + if (mask & FRONT_SPECULAR_BIT) { + fcmd[MTL_SPECULAR_RED] = ctx->Light.Material[0].Specular[0]; + fcmd[MTL_SPECULAR_GREEN] = ctx->Light.Material[0].Specular[1]; + fcmd[MTL_SPECULAR_BLUE] = ctx->Light.Material[0].Specular[2]; + fcmd[MTL_SPECULAR_ALPHA] = ctx->Light.Material[0].Specular[3]; + } + if (mask & FRONT_SHININESS_BIT) { + fcmd[MTL_SHININESS] = ctx->Light.Material[0].Shininess; + } + + if (RADEON_DB_STATECHANGE( rmesa, &rmesa->hw.mtl )) { + for (p = 0 ; p < MAX_LIGHTS; p++) + update_light_colors( ctx, p ); + + check_twoside_fallback( ctx ); + update_global_ambient( ctx ); + } + else if (RADEON_DEBUG & (DEBUG_PRIMS|DEBUG_STATE)) + fprintf(stderr, "%s: Elided noop material call\n", __FUNCTION__); +} + +/* _NEW_LIGHT + * _NEW_MODELVIEW + * _MESA_NEW_NEED_EYE_COORDS + * + * Uses derived state from mesa: + * _VP_inf_norm + * _h_inf_norm + * _Position + * _NormDirection + * _ModelViewInvScale + * _NeedEyeCoords + * _EyeZDir + * + * which are calculated in light.c and are correct for the current + * lighting space (model or eye), hence dependencies on _NEW_MODELVIEW + * and _MESA_NEW_NEED_EYE_COORDS. + */ +void radeonUpdateLighting( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + + /* Have to check these, or have an automatic shortcircuit mechanism + * to remove noop statechanges. (Or just do a better job on the + * front end). + */ + { + GLuint tmp = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL]; + + if (ctx->_NeedEyeCoords) + tmp &= ~RADEON_LIGHT_IN_MODELSPACE; + else + tmp |= RADEON_LIGHT_IN_MODELSPACE; + + + /* Leave this test disabled: (unexplained q3 lockup) (even with + new packets) + */ + if (tmp != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL]) + { + RADEON_STATECHANGE( rmesa, tcl ); + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] = tmp; + } + } + + { + GLfloat *fcmd = (GLfloat *)RADEON_DB_STATE( eye ); + fcmd[EYE_X] = ctx->_EyeZDir[0]; + fcmd[EYE_Y] = ctx->_EyeZDir[1]; + fcmd[EYE_Z] = - ctx->_EyeZDir[2]; + fcmd[EYE_RESCALE_FACTOR] = ctx->_ModelViewInvScale; + RADEON_DB_STATECHANGE( rmesa, &rmesa->hw.eye ); + } + + +/* RADEON_STATECHANGE( rmesa, glt ); */ + + if (ctx->Light.Enabled) { + GLint p; + for (p = 0 ; p < MAX_LIGHTS; p++) { + if (ctx->Light.Light[p].Enabled) { + struct gl_light *l = &ctx->Light.Light[p]; + GLfloat *fcmd = (GLfloat *)RADEON_DB_STATE( lit[p] ); + + if (l->EyePosition[3] == 0.0) { + COPY_3FV( &fcmd[LIT_POSITION_X], l->_VP_inf_norm ); + COPY_3FV( &fcmd[LIT_DIRECTION_X], l->_h_inf_norm ); + fcmd[LIT_POSITION_W] = 0; + fcmd[LIT_DIRECTION_W] = 0; + } else { + COPY_4V( &fcmd[LIT_POSITION_X], l->_Position ); + fcmd[LIT_DIRECTION_X] = -l->_NormDirection[0]; + fcmd[LIT_DIRECTION_Y] = -l->_NormDirection[1]; + fcmd[LIT_DIRECTION_Z] = -l->_NormDirection[2]; + fcmd[LIT_DIRECTION_W] = 0; + } + + RADEON_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] ); + } + } + } +} + + +void radeonLightfv( GLcontext *ctx, GLenum light, + GLenum pname, const GLfloat *params ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + GLint p = light - GL_LIGHT0; + struct gl_light *l = &ctx->Light.Light[p]; + GLfloat *fcmd = (GLfloat *)rmesa->hw.lit[p].cmd; + + + switch (pname) { + case GL_AMBIENT: + case GL_DIFFUSE: + case GL_SPECULAR: + update_light_colors( ctx, p ); + break; + + case GL_SPOT_DIRECTION: + /* picked up in update_light */ + break; + + case GL_POSITION: { + /* positions picked up in update_light, but can do flag here */ + GLuint flag = (p&1)? RADEON_LIGHT_1_IS_LOCAL : RADEON_LIGHT_0_IS_LOCAL; + GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2; + + RADEON_STATECHANGE(rmesa, tcl); + if (l->EyePosition[3] != 0.0F) + rmesa->hw.tcl.cmd[idx] |= flag; + else + rmesa->hw.tcl.cmd[idx] &= ~flag; + break; + } + + case GL_SPOT_EXPONENT: + RADEON_STATECHANGE(rmesa, lit[p]); + fcmd[LIT_SPOT_EXPONENT] = params[0]; + break; + + case GL_SPOT_CUTOFF: { + GLuint flag = (p&1) ? RADEON_LIGHT_1_IS_SPOT : RADEON_LIGHT_0_IS_SPOT; + GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2; + + RADEON_STATECHANGE(rmesa, lit[p]); + fcmd[LIT_SPOT_CUTOFF] = l->_CosCutoff; + + RADEON_STATECHANGE(rmesa, tcl); + if (l->SpotCutoff != 180.0F) + rmesa->hw.tcl.cmd[idx] |= flag; + else + rmesa->hw.tcl.cmd[idx] &= ~flag; + break; + } + + case GL_CONSTANT_ATTENUATION: + RADEON_STATECHANGE(rmesa, lit[p]); + fcmd[LIT_ATTEN_CONST] = params[0]; + break; + case GL_LINEAR_ATTENUATION: + RADEON_STATECHANGE(rmesa, lit[p]); + fcmd[LIT_ATTEN_LINEAR] = params[0]; + break; + case GL_QUADRATIC_ATTENUATION: + RADEON_STATECHANGE(rmesa, lit[p]); + fcmd[LIT_ATTEN_QUADRATIC] = params[0]; + break; + default: + return; + } + +} + + + + +void radeonLightModelfv( GLcontext *ctx, GLenum pname, + const GLfloat *param ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + + switch (pname) { + case GL_LIGHT_MODEL_AMBIENT: + update_global_ambient( ctx ); + break; + + case GL_LIGHT_MODEL_LOCAL_VIEWER: + RADEON_STATECHANGE( rmesa, tcl ); + if (ctx->Light.Model.LocalViewer) + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_LOCAL_VIEWER; + else + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] &= ~RADEON_LOCAL_VIEWER; + break; + + case GL_LIGHT_MODEL_TWO_SIDE: + RADEON_STATECHANGE( rmesa, tcl ); + if (ctx->Light.Model.TwoSide) + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= RADEON_LIGHT_TWOSIDE; + else + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~RADEON_LIGHT_TWOSIDE; + + check_twoside_fallback( ctx ); + +#if _HAVE_SWTNL + if (rmesa->TclFallback) { + radeonChooseRenderState( ctx ); + radeonChooseVertexState( ctx ); + } +#endif + break; + + case GL_LIGHT_MODEL_COLOR_CONTROL: + radeonUpdateSpecular(ctx); + + RADEON_STATECHANGE( rmesa, tcl ); + if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] &= + ~RADEON_DIFFUSE_SPECULAR_COMBINE; + else + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= + RADEON_DIFFUSE_SPECULAR_COMBINE; + break; + + default: + break; + } +} + + +/* ============================================================= + * Fog + */ + + +static void radeonFogfv( GLcontext *ctx, GLenum pname, const GLfloat *param ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + union { int i; float f; } c, d; + GLchan col[4]; + + c.i = rmesa->hw.fog.cmd[FOG_C]; + d.i = rmesa->hw.fog.cmd[FOG_D]; + + switch (pname) { + case GL_FOG_MODE: + if (!ctx->Fog.Enabled) + return; + RADEON_STATECHANGE(rmesa, tcl); + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~RADEON_TCL_FOG_MASK; + switch (ctx->Fog.Mode) { + case GL_LINEAR: + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= RADEON_TCL_FOG_LINEAR; + if (ctx->Fog.Start == ctx->Fog.End) { + c.f = 1.0F; + d.f = 1.0F; + } + else { + c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start); + d.f = 1.0/(ctx->Fog.End-ctx->Fog.Start); + } + break; + case GL_EXP: + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= RADEON_TCL_FOG_EXP; + c.f = 0.0; + d.f = ctx->Fog.Density; + break; + case GL_EXP2: + rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= RADEON_TCL_FOG_EXP2; + c.f = 0.0; + d.f = -(ctx->Fog.Density * ctx->Fog.Density); + break; + default: + return; + } + break; + case GL_FOG_DENSITY: + switch (ctx->Fog.Mode) { + case GL_EXP: + c.f = 0.0; + d.f = ctx->Fog.Density; + break; + case GL_EXP2: + c.f = 0.0; + d.f = -(ctx->Fog.Density * ctx->Fog.Density); + break; + default: + break; + } + break; + case GL_FOG_START: + case GL_FOG_END: + if (ctx->Fog.Mode == GL_LINEAR) { + if (ctx->Fog.Start == ctx->Fog.End) { + c.f = 1.0F; + d.f = 1.0F; + } else { + c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start); + d.f = 1.0/(ctx->Fog.End-ctx->Fog.Start); + } + } + break; + case GL_FOG_COLOR: + RADEON_STATECHANGE( rmesa, ctx ); + UNCLAMPED_FLOAT_TO_RGB_CHAN( col, ctx->Fog.Color ); + rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] = + radeonPackColor( 4, col[0], col[1], col[2], 0 ); + break; + case GL_FOG_COORDINATE_SOURCE_EXT: + /* What to do? + */ + break; + default: + return; + } + + if (c.i != rmesa->hw.fog.cmd[FOG_C] || d.i != rmesa->hw.fog.cmd[FOG_D]) { + RADEON_STATECHANGE( rmesa, fog ); + rmesa->hw.fog.cmd[FOG_C] = c.i; + rmesa->hw.fog.cmd[FOG_D] = d.i; + } +} + +/* Examine lighting and texture state to determine if separate specular + * should be enabled. + */ +void radeonUpdateSpecular( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + GLuint p = rmesa->hw.ctx.cmd[CTX_PP_CNTL]; + + if (NEED_SECONDARY_COLOR(ctx)) { + p |= RADEON_SPECULAR_ENABLE; + } else { + p &= ~RADEON_SPECULAR_ENABLE; + } + + if ( rmesa->hw.ctx.cmd[CTX_PP_CNTL] != p ) { + RADEON_STATECHANGE( rmesa, ctx ); + rmesa->hw.ctx.cmd[CTX_PP_CNTL] = p; + } + + /* Bizzare: have to leave lighting enabled to get fog. + */ + RADEON_STATECHANGE( rmesa, tcl ); + if ((ctx->Light.Enabled && + ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)) { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_LIGHTING_ENABLE; + } + else if (ctx->Fog.Enabled) { + if (ctx->Light.Enabled) { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_LIGHTING_ENABLE; + } else { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_LIGHTING_ENABLE; + } + } + else if (ctx->Light.Enabled) { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] |= RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] &= ~RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_LIGHTING_ENABLE; + } else if (ctx->Fog.ColorSumEnabled ) { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] &= ~RADEON_LIGHTING_ENABLE; + } else { + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_SPECULAR; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXSEL] &= ~RADEON_TCL_COMPUTE_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] &= ~RADEON_TCL_VTX_PK_SPEC; + rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] |= RADEON_TCL_VTX_PK_DIFFUSE; + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] &= ~RADEON_LIGHTING_ENABLE; + } + +#if _HAVE_SWTNL + /* Update vertex/render formats + */ + if (rmesa->TclFallback) { + radeonChooseRenderState( ctx ); + radeonChooseVertexState( ctx ); + } +#endif +} + + + +static void radeonLightingSpaceChange( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + GLboolean tmp; + RADEON_STATECHANGE( rmesa, tcl ); + + if (RADEON_DEBUG & DEBUG_STATE) + fprintf(stderr, "%s %d\n", __FUNCTION__, ctx->_NeedEyeCoords); + + if (ctx->_NeedEyeCoords) + tmp = ctx->Transform.RescaleNormals; + else + tmp = !ctx->Transform.RescaleNormals; + + if ( tmp ) { + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] |= RADEON_RESCALE_NORMALS; + } else { + rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL] &= ~RADEON_RESCALE_NORMALS; + } +} + +void radeonInitLightStateFuncs( GLcontext *ctx ) +{ + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + int i; + + ctx->Driver.LightModelfv = radeonLightModelfv; + ctx->Driver.Lightfv = radeonLightfv; + ctx->Driver.Fogfv = radeonFogfv; + ctx->Driver.LightingSpaceChange = radeonLightingSpaceChange; + + for (i = 0 ; i < 8; i++) { + struct gl_light *l = &ctx->Light.Light[i]; + GLenum p = GL_LIGHT0 + i; + *(float *)&(rmesa->hw.lit[i].cmd[LIT_RANGE_CUTOFF]) = FLT_MAX; + + ctx->Driver.Lightfv( ctx, p, GL_AMBIENT, l->Ambient ); + ctx->Driver.Lightfv( ctx, p, GL_DIFFUSE, l->Diffuse ); + ctx->Driver.Lightfv( ctx, p, GL_SPECULAR, l->Specular ); + ctx->Driver.Lightfv( ctx, p, GL_POSITION, 0 ); + ctx->Driver.Lightfv( ctx, p, GL_SPOT_DIRECTION, 0 ); + ctx->Driver.Lightfv( ctx, p, GL_SPOT_EXPONENT, &l->SpotExponent ); + ctx->Driver.Lightfv( ctx, p, GL_SPOT_CUTOFF, &l->SpotCutoff ); + ctx->Driver.Lightfv( ctx, p, GL_CONSTANT_ATTENUATION, + &l->ConstantAttenuation ); + ctx->Driver.Lightfv( ctx, p, GL_LINEAR_ATTENUATION, + &l->LinearAttenuation ); + ctx->Driver.Lightfv( ctx, p, GL_QUADRATIC_ATTENUATION, + &l->QuadraticAttenuation ); + } + + ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_AMBIENT, + ctx->Light.Model.Ambient ); + + ctx->Driver.Fogfv( ctx, GL_FOG_MODE, 0 ); + ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density ); + ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start ); + ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End ); + ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color ); + ctx->Driver.Fogfv( ctx, GL_FOG_COORDINATE_SOURCE_EXT, 0 ); +} -- cgit v1.2.3