diff options
author | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
---|---|---|
committer | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
commit | c036d13d7d2cc905226fe53ebd86a18da808963f (patch) | |
tree | 1520a41a750b3a2a2685c3d7f46e87f921ad7b83 /src/mesa/drivers/dri/nouveau/nv10_state_tnl.c | |
parent | 69f20294cd8bed52e4a9b648158423c5f0754941 (diff) | |
parent | 5b6b67eb3ff714fbba8aed88a22a7646e1dbf655 (diff) |
Merge commit 'fj/mesa-next'
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv10_state_tnl.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state_tnl.c | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c b/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c new file mode 100644 index 0000000000..6db14d83b8 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c @@ -0,0 +1,514 @@ +/* + * Copyright (C) 2009-2010 Francisco Jerez. + * 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 the rights to use, copy, modify, merge, publish, + * distribute, sublicense, 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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. + * + */ + +#include "nouveau_driver.h" +#include "nouveau_context.h" +#include "nouveau_gldefs.h" +#include "nouveau_util.h" +#include "nouveau_class.h" +#include "nv10_driver.h" + +void +nv10_emit_clip_plane(GLcontext *ctx, int emit) +{ +} + +static inline unsigned +get_material_bitmask(unsigned m) +{ + unsigned ret = 0; + + if (m & MAT_BIT_FRONT_EMISSION) + ret |= NV10TCL_COLOR_MATERIAL_EMISSION; + if (m & MAT_BIT_FRONT_AMBIENT) + ret |= NV10TCL_COLOR_MATERIAL_AMBIENT; + if (m & MAT_BIT_FRONT_DIFFUSE) + ret |= NV10TCL_COLOR_MATERIAL_DIFFUSE; + if (m & MAT_BIT_FRONT_SPECULAR) + ret |= NV10TCL_COLOR_MATERIAL_SPECULAR; + + return ret; +} + +void +nv10_emit_color_material(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + unsigned mask = get_material_bitmask(ctx->Light.ColorMaterialBitmask); + + BEGIN_RING(chan, celsius, NV10TCL_COLOR_MATERIAL, 1); + OUT_RING(chan, ctx->Light.ColorMaterialEnabled ? mask : 0); +} + +static unsigned +get_fog_mode(unsigned mode) +{ + switch (mode) { + case GL_LINEAR: + return NV10TCL_FOG_MODE_LINEAR; + case GL_EXP: + return NV10TCL_FOG_MODE_EXP; + case GL_EXP2: + return NV10TCL_FOG_MODE_EXP2; + default: + assert(0); + } +} + +static unsigned +get_fog_source(unsigned source) +{ + switch (source) { + case GL_FOG_COORDINATE_EXT: + return NV10TCL_FOG_COORD_FOG; + case GL_FRAGMENT_DEPTH_EXT: + return NV10TCL_FOG_COORD_DIST_ORTHOGONAL_ABS; + default: + assert(0); + } +} + +void +nv10_get_fog_coeff(GLcontext *ctx, float k[3]) +{ + struct gl_fog_attrib *f = &ctx->Fog; + + switch (f->Mode) { + case GL_LINEAR: + k[0] = 2 + f->Start / (f->End - f->Start); + k[1] = -1 / (f->End - f->Start); + break; + + case GL_EXP: + k[0] = 1.5; + k[1] = -0.09 * f->Density; + break; + + case GL_EXP2: + k[0] = 1.5; + k[1] = -0.21 * f->Density; + break; + + default: + assert(0); + } + + k[2] = 0; +} + +void +nv10_emit_fog(GLcontext *ctx, int emit) +{ + struct nouveau_context *nctx = to_nouveau_context(ctx); + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_fog_attrib *f = &ctx->Fog; + unsigned source = nctx->fallback == HWTNL ? + f->FogCoordinateSource : GL_FOG_COORDINATE_EXT; + float k[3]; + + nv10_get_fog_coeff(ctx, k); + + BEGIN_RING(chan, celsius, NV10TCL_FOG_MODE, 4); + OUT_RING(chan, get_fog_mode(f->Mode)); + OUT_RING(chan, get_fog_source(source)); + OUT_RING(chan, f->Enabled ? 1 : 0); + OUT_RING(chan, pack_rgba_f(MESA_FORMAT_RGBA8888_REV, f->Color)); + + BEGIN_RING(chan, celsius, NV10TCL_FOG_EQUATION_CONSTANT, 3); + OUT_RINGf(chan, k[0]); + OUT_RINGf(chan, k[1]); + OUT_RINGf(chan, k[2]); + + context_dirty(ctx, FRAG); +} + +static inline unsigned +get_light_mode(struct gl_light *l) +{ + if (l->Enabled) { + if (l->_Flags & LIGHT_SPOT) + return NV10TCL_ENABLED_LIGHTS_0_DIRECTIONAL; + else if (l->_Flags & LIGHT_POSITIONAL) + return NV10TCL_ENABLED_LIGHTS_0_POSITIONAL; + else + return NV10TCL_ENABLED_LIGHTS_0_NONPOSITIONAL; + } else { + return NV10TCL_ENABLED_LIGHTS_0_DISABLED; + } +} + +void +nv10_emit_light_enable(GLcontext *ctx, int emit) +{ + struct nouveau_context *nctx = to_nouveau_context(ctx); + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + uint32_t en_lights = 0; + int i; + + if (nctx->fallback != HWTNL) { + BEGIN_RING(chan, celsius, NV10TCL_LIGHTING_ENABLE, 1); + OUT_RING(chan, 0); + return; + } + + for (i = 0; i < MAX_LIGHTS; i++) + en_lights |= get_light_mode(&ctx->Light.Light[i]) << 2 * i; + + BEGIN_RING(chan, celsius, NV10TCL_ENABLED_LIGHTS, 1); + OUT_RING(chan, en_lights); + BEGIN_RING(chan, celsius, NV10TCL_LIGHTING_ENABLE, 1); + OUT_RING(chan, ctx->Light.Enabled ? 1 : 0); + BEGIN_RING(chan, celsius, NV10TCL_NORMALIZE_ENABLE, 1); + OUT_RING(chan, ctx->Transform.Normalize ? 1 : 0); +} + +void +nv10_emit_light_model(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_lightmodel *m = &ctx->Light.Model; + + BEGIN_RING(chan, celsius, NV10TCL_SEPARATE_SPECULAR_ENABLE, 1); + OUT_RING(chan, m->ColorControl == GL_SEPARATE_SPECULAR_COLOR ? 1 : 0); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_MODEL, 1); + OUT_RING(chan, ((m->LocalViewer ? + NV10TCL_LIGHT_MODEL_LOCAL_VIEWER : 0) | + (m->ColorControl == GL_SEPARATE_SPECULAR_COLOR ? + NV10TCL_LIGHT_MODEL_SEPARATE_SPECULAR : 0))); +} + +static float +get_shine(const float p[], float x) +{ + const int n = 15; + const float *y = &p[1]; + float f = (n - 1) * (1 - 1 / (1 + p[0] * x)) + / (1 - 1 / (1 + p[0] * 1024)); + int i = f; + + /* Linear interpolation in f-space (Faster and somewhat more + * accurate than x-space). */ + if (x == 0) + return y[0]; + else if (i > n - 2) + return y[n - 1]; + else + return y[i] + (y[i + 1] - y[i]) * (f - i); +} + +static const float nv10_spot_params[2][16] = { + { 0.02, -3.80e-05, -1.77, -2.41, -2.71, -2.88, -2.98, -3.06, + -3.11, -3.17, -3.23, -3.28, -3.37, -3.47, -3.83, -5.11 }, + { 0.02, -0.01, 1.77, 2.39, 2.70, 2.87, 2.98, 3.06, + 3.10, 3.16, 3.23, 3.27, 3.37, 3.47, 3.83, 5.11 }, +}; + +void +nv10_get_spot_coeff(struct gl_light *l, float k[7]) +{ + float e = l->SpotExponent; + float a0, b0, a1, a2, b2, a3; + + if (e > 0) + a0 = -1 - 5.36e-3 / sqrt(e); + else + a0 = -1; + b0 = 1 / (1 + 0.273 * e); + + a1 = get_shine(nv10_spot_params[0], e); + + a2 = get_shine(nv10_spot_params[1], e); + b2 = 1 / (1 + 0.273 * e); + + a3 = 0.9 + 0.278 * e; + + if (l->SpotCutoff > 0) { + float cutoff = MAX2(a3, 1 / (1 - l->_CosCutoff)); + + k[0] = MAX2(0, a0 + b0 * cutoff); + k[1] = a1; + k[2] = a2 + b2 * cutoff; + k[3] = - cutoff * l->_NormSpotDirection[0]; + k[4] = - cutoff * l->_NormSpotDirection[1]; + k[5] = - cutoff * l->_NormSpotDirection[2]; + k[6] = 1 - cutoff; + + } else { + k[0] = b0; + k[1] = a1; + k[2] = a2 + b2; + k[3] = - l->_NormSpotDirection[0]; + k[4] = - l->_NormSpotDirection[1]; + k[5] = - l->_NormSpotDirection[2]; + k[6] = -1; + } +} + +void +nv10_emit_light_source(GLcontext *ctx, int emit) +{ + const int i = emit - NOUVEAU_STATE_LIGHT_SOURCE0; + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_light *l = &ctx->Light.Light[i]; + + if (l->_Flags & LIGHT_POSITIONAL) { + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_POSITION_X(i), 3); + OUT_RINGf(chan, l->_Position[0]); + OUT_RINGf(chan, l->_Position[1]); + OUT_RINGf(chan, l->_Position[2]); + + BEGIN_RING(chan, celsius, + NV10TCL_LIGHT_ATTENUATION_CONSTANT(i), 3); + OUT_RINGf(chan, l->ConstantAttenuation); + OUT_RINGf(chan, l->LinearAttenuation); + OUT_RINGf(chan, l->QuadraticAttenuation); + + } else { + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_DIRECTION_X(i), 3); + OUT_RINGf(chan, l->_VP_inf_norm[0]); + OUT_RINGf(chan, l->_VP_inf_norm[1]); + OUT_RINGf(chan, l->_VP_inf_norm[2]); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_HALF_VECTOR_X(i), 3); + OUT_RINGf(chan, l->_h_inf_norm[0]); + OUT_RINGf(chan, l->_h_inf_norm[1]); + OUT_RINGf(chan, l->_h_inf_norm[2]); + } + + if (l->_Flags & LIGHT_SPOT) { + float k[7]; + + nv10_get_spot_coeff(l, k); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_SPOT_CUTOFF_A(i), 7); + OUT_RINGf(chan, k[0]); + OUT_RINGf(chan, k[1]); + OUT_RINGf(chan, k[2]); + OUT_RINGf(chan, k[3]); + OUT_RINGf(chan, k[4]); + OUT_RINGf(chan, k[5]); + OUT_RINGf(chan, k[6]); + } +} + +#define USE_COLOR_MATERIAL(attr) \ + (ctx->Light.ColorMaterialEnabled && \ + ctx->Light.ColorMaterialBitmask & (1 << MAT_ATTRIB_FRONT_##attr)) + +void +nv10_emit_material_ambient(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + float (*mat)[4] = ctx->Light.Material.Attrib; + float c_scene[3], c_factor[3]; + struct gl_light *l; + + if (USE_COLOR_MATERIAL(AMBIENT)) { + COPY_3V(c_scene, ctx->Light.Model.Ambient); + COPY_3V(c_factor, mat[MAT_ATTRIB_FRONT_EMISSION]); + + } else if (USE_COLOR_MATERIAL(EMISSION)) { + SCALE_3V(c_scene, mat[MAT_ATTRIB_FRONT_AMBIENT], + ctx->Light.Model.Ambient); + ZERO_3V(c_factor); + + } else { + COPY_3V(c_scene, ctx->Light._BaseColor[0]); + ZERO_3V(c_factor); + } + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_MODEL_AMBIENT_R, 3); + OUT_RINGf(chan, c_scene[0]); + OUT_RINGf(chan, c_scene[1]); + OUT_RINGf(chan, c_scene[2]); + + if (ctx->Light.ColorMaterialEnabled) { + BEGIN_RING(chan, celsius, NV10TCL_MATERIAL_FACTOR_R, 3); + OUT_RINGf(chan, c_factor[0]); + OUT_RINGf(chan, c_factor[1]); + OUT_RINGf(chan, c_factor[2]); + } + + foreach(l, &ctx->Light.EnabledList) { + const int i = l - ctx->Light.Light; + float *c_light = (USE_COLOR_MATERIAL(AMBIENT) ? + l->Ambient : + l->_MatAmbient[0]); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_AMBIENT_R(i), 3); + OUT_RINGf(chan, c_light[0]); + OUT_RINGf(chan, c_light[1]); + OUT_RINGf(chan, c_light[2]); + } +} + +void +nv10_emit_material_diffuse(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + GLfloat (*mat)[4] = ctx->Light.Material.Attrib; + struct gl_light *l; + + BEGIN_RING(chan, celsius, NV10TCL_MATERIAL_FACTOR_A, 1); + OUT_RINGf(chan, mat[MAT_ATTRIB_FRONT_DIFFUSE][3]); + + foreach(l, &ctx->Light.EnabledList) { + const int i = l - ctx->Light.Light; + float *c_light = (USE_COLOR_MATERIAL(DIFFUSE) ? + l->Diffuse : + l->_MatDiffuse[0]); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_DIFFUSE_R(i), 3); + OUT_RINGf(chan, c_light[0]); + OUT_RINGf(chan, c_light[1]); + OUT_RINGf(chan, c_light[2]); + } +} + +void +nv10_emit_material_specular(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_light *l; + + foreach(l, &ctx->Light.EnabledList) { + const int i = l - ctx->Light.Light; + float *c_light = (USE_COLOR_MATERIAL(SPECULAR) ? + l->Specular : + l->_MatSpecular[0]); + + BEGIN_RING(chan, celsius, NV10TCL_LIGHT_SPECULAR_R(i), 3); + OUT_RINGf(chan, c_light[0]); + OUT_RINGf(chan, c_light[1]); + OUT_RINGf(chan, c_light[2]); + } +} + +static const float nv10_shininess_param[6][16] = { + { 0.70, 0.00, 0.06, 0.06, 0.05, 0.04, 0.02, 0.00, + -0.06, -0.13, -0.24, -0.36, -0.51, -0.66, -0.82, -1.00 }, + { 0.01, 1.00, -2.29, -2.77, -2.96, -3.06, -3.12, -3.18, + -3.24, -3.29, -3.36, -3.43, -3.51, -3.75, -4.33, -5.11 }, + { 0.02, 0.00, 2.28, 2.75, 2.94, 3.04, 3.1, 3.15, + 3.18, 3.22, 3.27, 3.32, 3.39, 3.48, 3.84, 5.11 }, + { 0.70, 0.00, 0.05, 0.06, 0.06, 0.06, 0.05, 0.04, + 0.02, 0.01, -0.03, -0.12, -0.25, -0.43, -0.68, -0.99 }, + { 0.01, 1.00, -1.61, -2.35, -2.67, -2.84, -2.96, -3.05, + -3.08, -3.14, -3.2, -3.26, -3.32, -3.42, -3.54, -4.21 }, + { 0.01, 0.00, 2.25, 2.73, 2.92, 3.03, 3.09, 3.15, + 3.16, 3.21, 3.25, 3.29, 3.35, 3.43, 3.56, 4.22 }, +}; + +void +nv10_get_shininess_coeff(float s, float k[6]) +{ + int i; + + for (i = 0; i < 6; i++) + k[i] = get_shine(nv10_shininess_param[i], s); +} + +void +nv10_emit_material_shininess(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + float (*mat)[4] = ctx->Light.Material.Attrib; + float k[6]; + + nv10_get_shininess_coeff( + CLAMP(mat[MAT_ATTRIB_FRONT_SHININESS][0], 0, 1024), + k); + + BEGIN_RING(chan, celsius, NV10TCL_MATERIAL_SHININESS(0), 6); + OUT_RINGf(chan, k[0]); + OUT_RINGf(chan, k[1]); + OUT_RINGf(chan, k[2]); + OUT_RINGf(chan, k[3]); + OUT_RINGf(chan, k[4]); + OUT_RINGf(chan, k[5]); +} + +void +nv10_emit_modelview(GLcontext *ctx, int emit) +{ + struct nouveau_context *nctx = to_nouveau_context(ctx); + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + GLmatrix *m = ctx->ModelviewMatrixStack.Top; + + if (nctx->fallback != HWTNL) + return; + + if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled) { + BEGIN_RING(chan, celsius, NV10TCL_MODELVIEW0_MATRIX(0), 16); + OUT_RINGm(chan, m->m); + } + + if (ctx->Light.Enabled) { + int i, j; + + BEGIN_RING(chan, celsius, + NV10TCL_INVERSE_MODELVIEW0_MATRIX(0), 12); + for (i = 0; i < 3; i++) + for (j = 0; j < 4; j++) + OUT_RINGf(chan, m->inv[4*i + j]); + } +} + +void +nv10_emit_point_parameter(GLcontext *ctx, int emit) +{ +} + +void +nv10_emit_projection(GLcontext *ctx, int emit) +{ + struct nouveau_context *nctx = to_nouveau_context(ctx); + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + GLmatrix m; + + _math_matrix_ctr(&m); + get_viewport_scale(ctx, m.m); + + if (nctx->fallback == HWTNL) + _math_matrix_mul_matrix(&m, &m, &ctx->_ModelProjectMatrix); + + BEGIN_RING(chan, celsius, NV10TCL_PROJECTION_MATRIX(0), 16); + OUT_RINGm(chan, m.m); + + _math_matrix_dtr(&m); +} |