+++ /dev/null
-/*
- * 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 <gareth@valinux.com>
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "main/glheader.h"
-#include "main/imports.h"
-#include "api_arrayelt.h"
-/* #include "mmath.h" */
-#include "main/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 & RADEON_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 & (RADEON_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
- * _NormSpotDirection
- * _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->_NormSpotDirection[0];
- fcmd[LIT_DIRECTION_Y] = -l->_NormSpotDirection[1];
- fcmd[LIT_DIRECTION_Z] = -l->_NormSpotDirection[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 & RADEON_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 );
-}
projects / mesa.git / commitdiff