diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_lighting.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_lighting.c | 681 |
1 files changed, 0 insertions, 681 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_lighting.c b/src/mesa/drivers/dri/radeon/radeon_lighting.c deleted file mode 100644 index ba444f2b10..0000000000 --- a/src/mesa/drivers/dri/radeon/radeon_lighting.c +++ /dev/null @@ -1,681 +0,0 @@ -/* - * 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 ); -} |