static void insert_4chan_4f_rgba_2( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
c[2] = 0;
c[3] = CHAN_MAX;
}
static inline void insert_4chan_4f_rgba_4( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
DEBUG_INSERT;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]);
UNCLAMPED_FLOAT_TO_CHAN(c[3], in[3]);
}
/**
* Convert GLfloat[n][4] colors to GLchan[n][4].
* XXX maybe move into image.c
*/
static void
float_span_to_chan(GLuint n, CONST GLfloat in[][4], GLchan out[][4])
{
GLuint i;
for (i = 0; i < n; i++) {
UNCLAMPED_FLOAT_TO_CHAN(out[i][RCOMP], in[i][RCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(out[i][GCOMP], in[i][GCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(out[i][BCOMP], in[i][BCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(out[i][ACOMP], in[i][ACOMP]);
}
}
__inline DWORD _gldComputeFog(
GLcontext *ctx,
SWvertex *swv)
{
// Full fog calculation.
// Based on Mesa code.
GLchan rFog, gFog, bFog;
GLchan fR, fG, fB;
const GLfloat f = swv->fog;
const GLfloat g = 1.0f - f;
UNCLAMPED_FLOAT_TO_CHAN(rFog, ctx->Fog.Color[RCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(gFog, ctx->Fog.Color[GCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(bFog, ctx->Fog.Color[BCOMP]);
fR = f * swv->color[0] + g * rFog;
fG = f * swv->color[1] + g * gFog;
fB = f * swv->color[2] + g * bFog;
return D3DCOLOR_RGBA(fR, fG, fB, swv->color[3]);
}
/**
* Add specular color to primary color, draw point, restore original
* primary color.
*/
void
_swrast_add_spec_terms_point(GLcontext *ctx, const SWvertex *v0)
{
SWvertex *ncv0 = (SWvertex *) v0; /* cast away const */
GLfloat rSum, gSum, bSum;
GLchan cSave[4];
/* save */
COPY_CHAN4(cSave, ncv0->color);
/* sum */
rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0];
gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1];
bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2];
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum);
/* draw */
SWRAST_CONTEXT(ctx)->SpecPoint(ctx, ncv0);
/* restore */
COPY_CHAN4(ncv0->color, cSave);
}
void
_swrast_add_spec_terms_line(struct gl_context *ctx,
const SWvertex *v0, const SWvertex *v1)
{
SWvertex *ncv0 = (SWvertex *)v0;
SWvertex *ncv1 = (SWvertex *)v1;
GLfloat rSum, gSum, bSum;
GLchan cSave[2][4];
/* save original colors */
COPY_CHAN4(cSave[0], ncv0->color);
COPY_CHAN4(cSave[1], ncv1->color);
/* sum v0 */
rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0];
gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1];
bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2];
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum);
/* sum v1 */
rSum = CHAN_TO_FLOAT(ncv1->color[0]) + ncv1->attrib[FRAG_ATTRIB_COL1][0];
gSum = CHAN_TO_FLOAT(ncv1->color[1]) + ncv1->attrib[FRAG_ATTRIB_COL1][1];
bSum = CHAN_TO_FLOAT(ncv1->color[2]) + ncv1->attrib[FRAG_ATTRIB_COL1][2];
UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[0], rSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[1], gSum);
UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[2], bSum);
/* draw */
SWRAST_CONTEXT(ctx)->SpecLine( ctx, ncv0, ncv1 );
/* restore original colors */
COPY_CHAN4( ncv0->attrib[FRAG_ATTRIB_COL0], cSave[0] );
COPY_CHAN4( ncv1->attrib[FRAG_ATTRIB_COL0], cSave[1] );
}
/**
* Adaptor for fetching a GLchan texel from a float-valued texture.
*/
static void
fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLchan *texelOut)
{
GLfloat temp[4];
GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
ASSERT(texImage->FetchTexelf);
texImage->FetchTexelf(texImage, i, j, k, temp);
if (baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL_EXT) {
/* just one channel */
UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
}
else {
/* four channels */
UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
}
}
/**
* Execute the current fragment program, operating on the given span.
*/
void
_swrast_exec_fragment_shader(GLcontext * ctx, struct sw_span *span)
{
const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current;
GLuint i;
ctx->_CurrentProgram = GL_FRAGMENT_SHADER_ATI;
for (i = 0; i < span->end; i++) {
if (span->array->mask[i]) {
init_machine(ctx, &ctx->ATIFragmentShader.Machine,
ctx->ATIFragmentShader.Current, span, i);
if (execute_shader(ctx, shader, ~0,
&ctx->ATIFragmentShader.Machine, span, i)) {
span->array->mask[i] = GL_FALSE;
}
{
const GLfloat *colOut =
ctx->ATIFragmentShader.Machine.Registers[0];
/*fprintf(stderr,"outputs %f %f %f %f\n", colOut[0], colOut[1], colOut[2], colOut[3]); */
UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][RCOMP], colOut[0]);
UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][GCOMP], colOut[1]);
UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][BCOMP], colOut[2]);
UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], colOut[3]);
}
}
}
ctx->_CurrentProgram = 0;
}
/**
* Do texture application for:
* GL_EXT_texture_env_combine
* GL_ARB_texture_env_combine
* GL_EXT_texture_env_dot3
* GL_ARB_texture_env_dot3
* GL_ATI_texture_env_combine3
* GL_NV_texture_env_combine4
* conventional GL texture env modes
*
* \param ctx rendering context
* \param unit the texture combiner unit
* \param primary_rgba incoming fragment color array
* \param texelBuffer pointer to texel colors for all texture units
*
* \param span two fields are used in this function:
* span->end: number of fragments to process
* span->array->rgba: incoming/result fragment colors
*/
static void
texture_combine( struct gl_context *ctx, GLuint unit,
const float4_array primary_rgba,
const GLfloat *texelBuffer,
SWspan *span )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
const struct gl_texture_unit *textureUnit = &(ctx->Texture.Unit[unit]);
const struct gl_tex_env_combine_state *combine = textureUnit->_CurrentCombine;
float4_array argRGB[MAX_COMBINER_TERMS];
float4_array argA[MAX_COMBINER_TERMS];
const GLfloat scaleRGB = (GLfloat) (1 << combine->ScaleShiftRGB);
const GLfloat scaleA = (GLfloat) (1 << combine->ScaleShiftA);
const GLuint numArgsRGB = combine->_NumArgsRGB;
const GLuint numArgsA = combine->_NumArgsA;
float4_array ccolor[4], rgba;
GLuint i, term;
GLuint n = span->end;
GLchan (*rgbaChan)[4] = span->array->rgba;
/* alloc temp pixel buffers */
rgba = malloc(4 * n * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "texture_combine");
return;
}
for (i = 0; i < numArgsRGB || i < numArgsA; i++) {
ccolor[i] = malloc(4 * n * sizeof(GLfloat));
if (!ccolor[i]) {
while (i) {
free(ccolor[i]);
i--;
}
_mesa_error(ctx, GL_OUT_OF_MEMORY, "texture_combine");
free(rgba);
return;
}
}
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = CHAN_TO_FLOAT(rgbaChan[i][RCOMP]);
rgba[i][GCOMP] = CHAN_TO_FLOAT(rgbaChan[i][GCOMP]);
rgba[i][BCOMP] = CHAN_TO_FLOAT(rgbaChan[i][BCOMP]);
rgba[i][ACOMP] = CHAN_TO_FLOAT(rgbaChan[i][ACOMP]);
}
/*
printf("modeRGB 0x%x modeA 0x%x srcRGB1 0x%x srcA1 0x%x srcRGB2 0x%x srcA2 0x%x\n",
combine->ModeRGB,
combine->ModeA,
combine->SourceRGB[0],
combine->SourceA[0],
combine->SourceRGB[1],
combine->SourceA[1]);
*/
/*
* Do operand setup for up to 4 operands. Loop over the terms.
*/
for (term = 0; term < numArgsRGB; term++) {
const GLenum srcRGB = combine->SourceRGB[term];
const GLenum operandRGB = combine->OperandRGB[term];
switch (srcRGB) {
case GL_TEXTURE:
argRGB[term] = get_texel_array(swrast, unit);
break;
case GL_PRIMARY_COLOR:
argRGB[term] = primary_rgba;
break;
case GL_PREVIOUS:
argRGB[term] = rgba;
break;
case GL_CONSTANT:
{
float4_array c = ccolor[term];
GLfloat red = textureUnit->EnvColor[0];
GLfloat green = textureUnit->EnvColor[1];
GLfloat blue = textureUnit->EnvColor[2];
GLfloat alpha = textureUnit->EnvColor[3];
for (i = 0; i < n; i++) {
ASSIGN_4V(c[i], red, green, blue, alpha);
}
argRGB[term] = ccolor[term];
}
break;
/* GL_ATI_texture_env_combine3 allows GL_ZERO & GL_ONE as sources.
*/
case GL_ZERO:
{
float4_array c = ccolor[term];
for (i = 0; i < n; i++) {
ASSIGN_4V(c[i], 0.0F, 0.0F, 0.0F, 0.0F);
}
argRGB[term] = ccolor[term];
}
break;
case GL_ONE:
{
float4_array c = ccolor[term];
for (i = 0; i < n; i++) {
ASSIGN_4V(c[i], 1.0F, 1.0F, 1.0F, 1.0F);
}
argRGB[term] = ccolor[term];
}
break;
default:
/* ARB_texture_env_crossbar source */
{
const GLuint srcUnit = srcRGB - GL_TEXTURE0;
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
goto end;
argRGB[term] = get_texel_array(swrast, srcUnit);
}
}
if (operandRGB != GL_SRC_COLOR) {
float4_array src = argRGB[term];
float4_array dst = ccolor[term];
/* point to new arg[term] storage */
argRGB[term] = ccolor[term];
switch (operandRGB) {
case GL_ONE_MINUS_SRC_COLOR:
for (i = 0; i < n; i++) {
dst[i][RCOMP] = 1.0F - src[i][RCOMP];
dst[i][GCOMP] = 1.0F - src[i][GCOMP];
dst[i][BCOMP] = 1.0F - src[i][BCOMP];
}
break;
case GL_SRC_ALPHA:
for (i = 0; i < n; i++) {
dst[i][RCOMP] =
dst[i][GCOMP] =
dst[i][BCOMP] = src[i][ACOMP];
}
break;
case GL_ONE_MINUS_SRC_ALPHA:
for (i = 0; i < n; i++) {
dst[i][RCOMP] =
dst[i][GCOMP] =
dst[i][BCOMP] = 1.0F - src[i][ACOMP];
}
break;
default:
_mesa_problem(ctx, "Bad operandRGB");
}
}
}
/*
* Set up the argA[term] pointers
*/
for (term = 0; term < numArgsA; term++) {
const GLenum srcA = combine->SourceA[term];
const GLenum operandA = combine->OperandA[term];
switch (srcA) {
case GL_TEXTURE:
argA[term] = get_texel_array(swrast, unit);
break;
case GL_PRIMARY_COLOR:
argA[term] = primary_rgba;
break;
case GL_PREVIOUS:
argA[term] = rgba;
break;
case GL_CONSTANT:
{
float4_array c = ccolor[term];
GLfloat alpha = textureUnit->EnvColor[3];
for (i = 0; i < n; i++)
c[i][ACOMP] = alpha;
argA[term] = ccolor[term];
}
break;
/* GL_ATI_texture_env_combine3 allows GL_ZERO & GL_ONE as sources.
*/
case GL_ZERO:
{
float4_array c = ccolor[term];
for (i = 0; i < n; i++)
c[i][ACOMP] = 0.0F;
argA[term] = ccolor[term];
}
break;
case GL_ONE:
{
float4_array c = ccolor[term];
for (i = 0; i < n; i++)
c[i][ACOMP] = 1.0F;
argA[term] = ccolor[term];
}
break;
default:
/* ARB_texture_env_crossbar source */
{
const GLuint srcUnit = srcA - GL_TEXTURE0;
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
goto end;
argA[term] = get_texel_array(swrast, srcUnit);
}
}
if (operandA == GL_ONE_MINUS_SRC_ALPHA) {
float4_array src = argA[term];
float4_array dst = ccolor[term];
argA[term] = ccolor[term];
for (i = 0; i < n; i++) {
dst[i][ACOMP] = 1.0F - src[i][ACOMP];
}
}
}
/* RGB channel combine */
{
float4_array arg0 = argRGB[0];
float4_array arg1 = argRGB[1];
float4_array arg2 = argRGB[2];
float4_array arg3 = argRGB[3];
switch (combine->ModeRGB) {
case GL_REPLACE:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = arg0[i][RCOMP] * scaleRGB;
rgba[i][GCOMP] = arg0[i][GCOMP] * scaleRGB;
rgba[i][BCOMP] = arg0[i][BCOMP] * scaleRGB;
}
break;
case GL_MODULATE:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = arg0[i][RCOMP] * arg1[i][RCOMP] * scaleRGB;
rgba[i][GCOMP] = arg0[i][GCOMP] * arg1[i][GCOMP] * scaleRGB;
rgba[i][BCOMP] = arg0[i][BCOMP] * arg1[i][BCOMP] * scaleRGB;
}
break;
case GL_ADD:
if (textureUnit->EnvMode == GL_COMBINE4_NV) {
/* (a * b) + (c * d) */
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] * arg1[i][RCOMP] +
arg2[i][RCOMP] * arg3[i][RCOMP]) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] * arg1[i][GCOMP] +
arg2[i][GCOMP] * arg3[i][GCOMP]) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] * arg1[i][BCOMP] +
arg2[i][BCOMP] * arg3[i][BCOMP]) * scaleRGB;
}
}
else {
/* 2-term addition */
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] + arg1[i][RCOMP]) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] + arg1[i][GCOMP]) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] + arg1[i][BCOMP]) * scaleRGB;
}
}
break;
case GL_ADD_SIGNED:
if (textureUnit->EnvMode == GL_COMBINE4_NV) {
/* (a * b) + (c * d) - 0.5 */
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] * arg1[i][RCOMP] +
arg2[i][RCOMP] * arg3[i][RCOMP] - 0.5F) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] * arg1[i][GCOMP] +
arg2[i][GCOMP] * arg3[i][GCOMP] - 0.5F) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] * arg1[i][BCOMP] +
arg2[i][BCOMP] * arg3[i][BCOMP] - 0.5F) * scaleRGB;
}
}
else {
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] + arg1[i][RCOMP] - 0.5F) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] + arg1[i][GCOMP] - 0.5F) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] + arg1[i][BCOMP] - 0.5F) * scaleRGB;
}
}
break;
case GL_INTERPOLATE:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] * arg2[i][RCOMP] +
arg1[i][RCOMP] * (1.0F - arg2[i][RCOMP])) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] * arg2[i][GCOMP] +
arg1[i][GCOMP] * (1.0F - arg2[i][GCOMP])) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] * arg2[i][BCOMP] +
arg1[i][BCOMP] * (1.0F - arg2[i][BCOMP])) * scaleRGB;
}
break;
case GL_SUBTRACT:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = (arg0[i][RCOMP] - arg1[i][RCOMP]) * scaleRGB;
rgba[i][GCOMP] = (arg0[i][GCOMP] - arg1[i][GCOMP]) * scaleRGB;
rgba[i][BCOMP] = (arg0[i][BCOMP] - arg1[i][BCOMP]) * scaleRGB;
}
break;
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA_EXT:
/* Do not scale the result by 1 2 or 4 */
for (i = 0; i < n; i++) {
GLfloat dot = ((arg0[i][RCOMP] - 0.5F) * (arg1[i][RCOMP] - 0.5F) +
(arg0[i][GCOMP] - 0.5F) * (arg1[i][GCOMP] - 0.5F) +
(arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F))
* 4.0F;
dot = CLAMP(dot, 0.0F, 1.0F);
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot;
}
break;
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
/* DO scale the result by 1 2 or 4 */
for (i = 0; i < n; i++) {
GLfloat dot = ((arg0[i][RCOMP] - 0.5F) * (arg1[i][RCOMP] - 0.5F) +
(arg0[i][GCOMP] - 0.5F) * (arg1[i][GCOMP] - 0.5F) +
(arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F))
* 4.0F * scaleRGB;
dot = CLAMP(dot, 0.0F, 1.0F);
rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot;
}
break;
case GL_MODULATE_ADD_ATI:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) +
arg1[i][RCOMP]) * scaleRGB;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) +
arg1[i][GCOMP]) * scaleRGB;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) +
arg1[i][BCOMP]) * scaleRGB;
}
break;
case GL_MODULATE_SIGNED_ADD_ATI:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) +
arg1[i][RCOMP] - 0.5F) * scaleRGB;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) +
arg1[i][GCOMP] - 0.5F) * scaleRGB;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) +
arg1[i][BCOMP] - 0.5F) * scaleRGB;
}
break;
case GL_MODULATE_SUBTRACT_ATI:
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) -
arg1[i][RCOMP]) * scaleRGB;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) -
arg1[i][GCOMP]) * scaleRGB;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) -
arg1[i][BCOMP]) * scaleRGB;
}
break;
case GL_BUMP_ENVMAP_ATI:
/* this produces a fixed rgba color, and the coord calc is done elsewhere */
for (i = 0; i < n; i++) {
/* rgba result is 0,0,0,1 */
rgba[i][RCOMP] = 0.0;
rgba[i][GCOMP] = 0.0;
rgba[i][BCOMP] = 0.0;
rgba[i][ACOMP] = 1.0;
}
goto end; /* no alpha processing */
default:
_mesa_problem(ctx, "invalid combine mode");
}
}
/* Alpha channel combine */
{
float4_array arg0 = argA[0];
float4_array arg1 = argA[1];
float4_array arg2 = argA[2];
float4_array arg3 = argA[3];
switch (combine->ModeA) {
case GL_REPLACE:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = arg0[i][ACOMP] * scaleA;
}
break;
case GL_MODULATE:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = arg0[i][ACOMP] * arg1[i][ACOMP] * scaleA;
}
break;
case GL_ADD:
if (textureUnit->EnvMode == GL_COMBINE4_NV) {
/* (a * b) + (c * d) */
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] * arg1[i][ACOMP] +
arg2[i][ACOMP] * arg3[i][ACOMP]) * scaleA;
}
}
else {
/* two-term add */
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] + arg1[i][ACOMP]) * scaleA;
}
}
break;
case GL_ADD_SIGNED:
if (textureUnit->EnvMode == GL_COMBINE4_NV) {
/* (a * b) + (c * d) - 0.5 */
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] * arg1[i][ACOMP] +
arg2[i][ACOMP] * arg3[i][ACOMP] -
0.5F) * scaleA;
}
}
else {
/* a + b - 0.5 */
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] + arg1[i][ACOMP] - 0.5F) * scaleA;
}
}
break;
case GL_INTERPOLATE:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] * arg2[i][ACOMP] +
arg1[i][ACOMP] * (1.0F - arg2[i][ACOMP]))
* scaleA;
}
break;
case GL_SUBTRACT:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = (arg0[i][ACOMP] - arg1[i][ACOMP]) * scaleA;
}
break;
case GL_MODULATE_ADD_ATI:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP])
+ arg1[i][ACOMP]) * scaleA;
}
break;
case GL_MODULATE_SIGNED_ADD_ATI:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP]) +
arg1[i][ACOMP] - 0.5F) * scaleA;
}
break;
case GL_MODULATE_SUBTRACT_ATI:
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP])
- arg1[i][ACOMP]) * scaleA;
}
break;
default:
_mesa_problem(ctx, "invalid combine mode");
}
}
/* Fix the alpha component for GL_DOT3_RGBA_EXT/ARB combining.
* This is kind of a kludge. It would have been better if the spec
* were written such that the GL_COMBINE_ALPHA value could be set to
* GL_DOT3.
*/
if (combine->ModeRGB == GL_DOT3_RGBA_EXT ||
combine->ModeRGB == GL_DOT3_RGBA) {
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = rgba[i][RCOMP];
}
}
for (i = 0; i < n; i++) {
UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][RCOMP], rgba[i][RCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][GCOMP], rgba[i][GCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][BCOMP], rgba[i][BCOMP]);
UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][ACOMP], rgba[i][ACOMP]);
}
/* The span->array->rgba values are of CHAN type so set
* span->array->ChanType field accordingly.
*/
span->array->ChanType = CHAN_TYPE;
end:
for (i = 0; i < numArgsRGB || i < numArgsA; i++) {
free(ccolor[i]);
}
free(rgba);
}
/** Set a float-valued texture parameter */
static void
set_tex_parameterf(GLcontext *ctx,
struct gl_texture_object *texObj,
GLenum pname, const GLfloat *params)
{
switch (pname) {
case GL_TEXTURE_MIN_LOD:
if (texObj->MinLod == params[0])
return;
flush(ctx, texObj);
texObj->MinLod = params[0];
return;
case GL_TEXTURE_MAX_LOD:
if (texObj->MaxLod == params[0])
return;
flush(ctx, texObj);
texObj->MaxLod = params[0];
return;
case GL_TEXTURE_PRIORITY:
flush(ctx, texObj);
texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
return;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
if (texObj->MaxAnisotropy == params[0])
return;
if (params[0] < 1.0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
flush(ctx, texObj);
/* clamp to max, that's what NVIDIA does */
texObj->MaxAnisotropy = MIN2(params[0],
ctx->Const.MaxTextureMaxAnisotropy);
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
}
return;
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
if (ctx->Extensions.SGIX_shadow_ambient) {
if (texObj->ShadowAmbient != params[0]) {
flush(ctx, texObj);
texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
}
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
}
return;
case GL_TEXTURE_LOD_BIAS:
/* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
if (ctx->Extensions.EXT_texture_lod_bias) {
if (texObj->LodBias != params[0]) {
flush(ctx, texObj);
texObj->LodBias = params[0];
}
}
break;
case GL_TEXTURE_BORDER_COLOR:
flush(ctx, texObj);
texObj->BorderColor[RCOMP] = params[0];
texObj->BorderColor[GCOMP] = params[1];
texObj->BorderColor[BCOMP] = params[2];
texObj->BorderColor[ACOMP] = params[3];
UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]);
UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]);
UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]);
UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]);
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
}
}
/**
* Set default fragment attributes for the span using the
* current raster values. Used prior to glDraw/CopyPixels
* and glBitmap.
*/
void
_swrast_span_default_attribs(struct gl_context *ctx, SWspan *span)
{
GLchan r, g, b, a;
/* Z*/
{
const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
if (ctx->DrawBuffer->Visual.depthBits <= 16)
span->z = FloatToFixed(ctx->Current.RasterPos[2] * depthMax + 0.5F);
else {
GLfloat tmpf = ctx->Current.RasterPos[2] * depthMax;
tmpf = MIN2(tmpf, depthMax);
span->z = (GLint)tmpf;
}
span->zStep = 0;
span->interpMask |= SPAN_Z;
}
/* W (for perspective correction) */
span->attrStart[FRAG_ATTRIB_WPOS][3] = 1.0;
span->attrStepX[FRAG_ATTRIB_WPOS][3] = 0.0;
span->attrStepY[FRAG_ATTRIB_WPOS][3] = 0.0;
/* primary color, or color index */
UNCLAMPED_FLOAT_TO_CHAN(r, ctx->Current.RasterColor[0]);
UNCLAMPED_FLOAT_TO_CHAN(g, ctx->Current.RasterColor[1]);
UNCLAMPED_FLOAT_TO_CHAN(b, ctx->Current.RasterColor[2]);
UNCLAMPED_FLOAT_TO_CHAN(a, ctx->Current.RasterColor[3]);
#if CHAN_TYPE == GL_FLOAT
span->red = r;
span->green = g;
span->blue = b;
span->alpha = a;
#else
span->red = IntToFixed(r);
span->green = IntToFixed(g);
span->blue = IntToFixed(b);
span->alpha = IntToFixed(a);
#endif
span->redStep = 0;
span->greenStep = 0;
span->blueStep = 0;
span->alphaStep = 0;
span->interpMask |= SPAN_RGBA;
COPY_4V(span->attrStart[FRAG_ATTRIB_COL], ctx->Current.RasterColor);
ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL], 0.0, 0.0, 0.0, 0.0);
ASSIGN_4V(span->attrStepY[FRAG_ATTRIB_COL], 0.0, 0.0, 0.0, 0.0);
/* fog */
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLfloat fogVal; /* a coord or a blend factor */
if (swrast->_PreferPixelFog) {
/* fog blend factors will be computed from fog coordinates per pixel */
fogVal = ctx->Current.RasterDistance;
}
else {
/* fog blend factor should be computed from fogcoord now */
fogVal = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
}
span->attrStart[FRAG_ATTRIB_FOGC][0] = fogVal;
span->attrStepX[FRAG_ATTRIB_FOGC][0] = 0.0;
span->attrStepY[FRAG_ATTRIB_FOGC][0] = 0.0;
}
/* texcoords */
{
const GLuint attr = FRAG_ATTRIB_TEX;
const GLfloat *tc = ctx->Current.RasterTexCoords;
if (tc[3] > 0.0F) {
/* use (s/q, t/q, r/q, 1) */
span->attrStart[attr][0] = tc[0] / tc[3];
span->attrStart[attr][1] = tc[1] / tc[3];
span->attrStart[attr][2] = tc[2] / tc[3];
span->attrStart[attr][3] = 1.0;
}
else {
ASSIGN_4V(span->attrStart[attr], 0.0F, 0.0F, 0.0F, 1.0F);
}
ASSIGN_4V(span->attrStepX[attr], 0.0F, 0.0F, 0.0F, 0.0F);
ASSIGN_4V(span->attrStepY[attr], 0.0F, 0.0F, 0.0F, 0.0F);
}
}
static GLboolean check_vtx_fmt( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
GLuint ind = RADEON_CP_VC_FRMT_Z;
GLuint unit;
if (rmesa->TclFallback || rmesa->vb.fell_back || ctx->CompileFlag ||
(ctx->Fog.Enabled && (ctx->Fog.FogCoordinateSource == GL_FOG_COORD)))
return GL_FALSE;
if (ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT)
ctx->Driver.FlushVertices( ctx, FLUSH_UPDATE_CURRENT );
/* Make all this event-driven:
*/
if (ctx->Light.Enabled) {
ind |= RADEON_CP_VC_FRMT_N0;
/* TODO: make this data driven: If we receive only ubytes, send
* color as ubytes. Also check if converting (with free
* checking for overflow) is cheaper than sending floats
* directly.
*/
if (ctx->Light.ColorMaterialEnabled) {
ind |= (RADEON_CP_VC_FRMT_FPCOLOR |
RADEON_CP_VC_FRMT_FPALPHA);
}
else
ind |= RADEON_CP_VC_FRMT_PKCOLOR; /* for alpha? */
}
else {
/* TODO: make this data driven?
*/
ind |= RADEON_CP_VC_FRMT_PKCOLOR;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
ind |= RADEON_CP_VC_FRMT_PKSPEC;
}
}
if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) {
ind |= RADEON_CP_VC_FRMT_PKSPEC;
}
for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++) {
if (ctx->Texture.Unit[unit]._ReallyEnabled) {
if (ctx->Texture.Unit[unit].TexGenEnabled) {
if (rmesa->TexGenNeedNormals[unit]) {
ind |= RADEON_CP_VC_FRMT_N0;
}
} else {
if (ctx->Current.Attrib[VERT_ATTRIB_TEX(unit)][3] != 1.0) {
if (RADEON_DEBUG & (DEBUG_VFMT|DEBUG_FALLBACKS))
fprintf(stderr, "%s: q%u\n", __FUNCTION__, unit);
return GL_FALSE;
}
ind |= RADEON_ST_BIT(unit);
}
}
}
if (RADEON_DEBUG & (DEBUG_VFMT|DEBUG_STATE))
fprintf(stderr, "%s: format: 0x%x\n", __FUNCTION__, ind );
RADEON_NEWPRIM(rmesa);
rmesa->vb.vertex_format = ind;
rmesa->vb.vertex_size = 3;
rmesa->vb.prim = &ctx->Driver.CurrentExecPrimitive;
rmesa->vb.normalptr = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
rmesa->vb.colorptr = NULL;
rmesa->vb.floatcolorptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
rmesa->vb.specptr = NULL;
rmesa->vb.floatspecptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
rmesa->vb.texcoordptr[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
rmesa->vb.texcoordptr[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX1];
rmesa->vb.texcoordptr[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX2];
rmesa->vb.texcoordptr[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; /* dummy */
/* Run through and initialize the vertex components in the order
* the hardware understands:
*/
if (ind & RADEON_CP_VC_FRMT_N0) {
rmesa->vb.normalptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 3;
rmesa->vb.normalptr[0] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0];
rmesa->vb.normalptr[1] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1];
rmesa->vb.normalptr[2] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2];
}
if (ind & RADEON_CP_VC_FRMT_PKCOLOR) {
rmesa->vb.colorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].color;
rmesa->vb.vertex_size += 1;
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->red, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->green, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->blue, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->alpha, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3] );
}
if (ind & RADEON_CP_VC_FRMT_FPCOLOR) {
assert(!(ind & RADEON_CP_VC_FRMT_PKCOLOR));
rmesa->vb.floatcolorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 3;
rmesa->vb.floatcolorptr[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0];
rmesa->vb.floatcolorptr[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1];
rmesa->vb.floatcolorptr[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2];
if (ind & RADEON_CP_VC_FRMT_FPALPHA) {
rmesa->vb.vertex_size += 1;
rmesa->vb.floatcolorptr[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3];
}
}
if (ind & RADEON_CP_VC_FRMT_PKSPEC) {
rmesa->vb.specptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].color;
rmesa->vb.vertex_size += 1;
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->red, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->green, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->blue, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2] );
/* fog ??? */
/* UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->alpha,
radeonComputeFogFactor(ctx->Current.Attrib[VERT_ATTRIB_FOG][0]) ); */
}
for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++) {
if (ind & RADEON_ST_BIT(unit)) {
rmesa->vb.texcoordptr[unit] = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 2;
rmesa->vb.texcoordptr[unit][0] = ctx->Current.Attrib[VERT_ATTRIB_TEX(unit)][0];
rmesa->vb.texcoordptr[unit][1] = ctx->Current.Attrib[VERT_ATTRIB_TEX(unit)][1];
}
}
if (rmesa->vb.installed_vertex_format != rmesa->vb.vertex_format) {
if (RADEON_DEBUG & DEBUG_VFMT)
fprintf(stderr, "reinstall on vertex_format change\n");
_mesa_install_exec_vtxfmt( ctx, &rmesa->vb.vtxfmt );
rmesa->vb.installed_vertex_format = rmesa->vb.vertex_format;
}
if (RADEON_DEBUG & DEBUG_VFMT)
fprintf(stderr, "%s -- success\n", __FUNCTION__);
return GL_TRUE;
}
/**
* Determines the hardware vertex format based on the current state vector.
*
* \returns
* If the hardware TCL unit is capable of handling the current state vector,
* \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned.
*
* \todo
* Make this color format selection data driven. If we receive only ubytes,
* send color as ubytes. Also check if converting (with free checking for
* overflow) is cheaper than sending floats directly.
*
* \todo
* When intializing texture coordinates, it might be faster to just copy the
* entire \c VERT_ATTRIB_TEX0 vector into the vertex buffer. It may mean that
* some of the data (i.e., the last texture coordinate components) get copied
* over, but that still may be faster than the conditional branching. If
* nothing else, the code will be smaller and easier to follow.
*/
static GLboolean check_vtx_fmt( GLcontext *ctx )
{
r200ContextPtr rmesa = R200_CONTEXT(ctx);
GLuint ind0 = R200_VTX_Z0;
GLuint ind1 = 0;
GLuint i;
GLuint count[R200_MAX_TEXTURE_UNITS];
if (rmesa->TclFallback || rmesa->vb.fell_back || ctx->CompileFlag)
return GL_FALSE;
if (ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT)
ctx->Driver.FlushVertices( ctx, FLUSH_UPDATE_CURRENT );
/* Make all this event-driven:
*/
if (ctx->Light.Enabled) {
ind0 |= R200_VTX_N0;
if (ctx->Light.ColorMaterialEnabled)
ind0 |= R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT;
else
ind0 |= R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT;
}
else {
/* TODO: make this data driven?
*/
ind0 |= R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT;
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
ind0 |= R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT;
}
}
if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) {
ind0 |= R200_VTX_DISCRETE_FOG;
}
for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) {
count[i] = 0;
if (ctx->Texture.Unit[i]._ReallyEnabled) {
if (rmesa->TexGenNeedNormals[i]) {
ind0 |= R200_VTX_N0;
}
else {
switch( ctx->Texture.Unit[i]._ReallyEnabled ) {
case TEXTURE_CUBE_BIT:
case TEXTURE_3D_BIT:
count[i] = 3;
break;
case TEXTURE_2D_BIT:
case TEXTURE_RECT_BIT:
count[i] = 2;
break;
case TEXTURE_1D_BIT:
count[i] = 1;
break;
}
ind1 |= count[i] << (3 * i);
}
}
}
if (R200_DEBUG & (DEBUG_VFMT|DEBUG_STATE))
fprintf(stderr, "%s: format: 0x%x, 0x%x\n", __FUNCTION__, ind0, ind1 );
R200_NEWPRIM(rmesa);
rmesa->vb.vtxfmt_0 = ind0;
rmesa->vb.vtxfmt_1 = ind1;
rmesa->vb.prim = &ctx->Driver.CurrentExecPrimitive;
rmesa->vb.vertex_size = 3;
rmesa->vb.normalptr = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
rmesa->vb.colorptr = NULL;
rmesa->vb.floatcolorptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
rmesa->vb.fogptr = ctx->Current.Attrib[VERT_ATTRIB_FOG];
rmesa->vb.specptr = NULL;
rmesa->vb.floatspecptr = ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
rmesa->vb.texcoordptr[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0];
rmesa->vb.texcoordptr[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX1];
rmesa->vb.texcoordptr[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX2];
rmesa->vb.texcoordptr[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX3];
rmesa->vb.texcoordptr[4] = ctx->Current.Attrib[VERT_ATTRIB_TEX4];
rmesa->vb.texcoordptr[5] = ctx->Current.Attrib[VERT_ATTRIB_TEX5];
rmesa->vb.texcoordptr[6] = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; /* dummy */
rmesa->vb.texcoordptr[7] = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; /* dummy */
/* Run through and initialize the vertex components in the order
* the hardware understands:
*/
if (ind0 & R200_VTX_N0) {
rmesa->vb.normalptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 3;
rmesa->vb.normalptr[0] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][0];
rmesa->vb.normalptr[1] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][1];
rmesa->vb.normalptr[2] = ctx->Current.Attrib[VERT_ATTRIB_NORMAL][2];
}
if (ind0 & R200_VTX_DISCRETE_FOG) {
rmesa->vb.fogptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 1;
rmesa->vb.fogptr[0] = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
}
if (VTX_COLOR(ind0, 0) == R200_VTX_PK_RGBA) {
rmesa->vb.colorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].color;
rmesa->vb.vertex_size += 1;
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->red, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->green, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->blue, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.colorptr->alpha, ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3] );
}
else if (VTX_COLOR(ind0, 0) == R200_VTX_FP_RGBA) {
rmesa->vb.floatcolorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 4;
rmesa->vb.floatcolorptr[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0];
rmesa->vb.floatcolorptr[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1];
rmesa->vb.floatcolorptr[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2];
rmesa->vb.floatcolorptr[3] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3];
}
else if (VTX_COLOR(ind0, 0) == R200_VTX_FP_RGB) {
rmesa->vb.floatcolorptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
rmesa->vb.vertex_size += 3;
rmesa->vb.floatcolorptr[0] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0];
rmesa->vb.floatcolorptr[1] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1];
rmesa->vb.floatcolorptr[2] = ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2];
}
if (VTX_COLOR(ind0, 1) == R200_VTX_PK_RGBA) {
rmesa->vb.specptr = &rmesa->vb.vertex[rmesa->vb.vertex_size].color;
rmesa->vb.vertex_size += 1;
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->red, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->green, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1] );
UNCLAMPED_FLOAT_TO_CHAN( rmesa->vb.specptr->blue, ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2] );
}
for ( i = 0 ; i < ctx->Const.MaxTextureUnits ; i++ ) {
if ( count[i] != 0 ) {
float * const attr = ctx->Current.Attrib[VERT_ATTRIB_TEX0+i];
unsigned j;
rmesa->vb.texcoordptr[i] = &rmesa->vb.vertex[rmesa->vb.vertex_size].f;
for ( j = 0 ; j < count[i] ; j++ ) {
rmesa->vb.texcoordptr[i][j] = attr[j];
}
rmesa->vb.vertex_size += count[i];
}
}
if (rmesa->vb.installed_vertex_format != rmesa->vb.vtxfmt_0) {
if (R200_DEBUG & DEBUG_VFMT)
fprintf(stderr, "reinstall on vertex_format change\n");
_mesa_install_exec_vtxfmt( ctx, &rmesa->vb.vtxfmt );
rmesa->vb.installed_vertex_format = rmesa->vb.vtxfmt_0;
}
if (R200_DEBUG & DEBUG_VFMT)
fprintf(stderr, "%s -- success\n", __FUNCTION__);
return GL_TRUE;
}