/*
* Mesa 3-D graphics library
- * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* 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 AUTHORS 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
* \author Brian Paul
*/
+#include "c99_math.h"
+#include "main/errors.h"
#include "main/glheader.h"
-#include "main/colormac.h"
#include "main/format_pack.h"
#include "main/format_unpack.h"
#include "main/macros.h"
-#include "main/imports.h"
+
#include "main/image.h"
#include "main/samplerobj.h"
+#include "main/state.h"
+#include "main/stencil.h"
+#include "main/teximage.h"
#include "s_atifragshader.h"
#include "s_alpha.h"
if (ctx->DrawBuffer->Visual.depthBits <= 16)
span->z = FloatToFixed(ctx->Current.RasterPos[2] * depthMax + 0.5F);
else {
- GLfloat tmpf = ctx->Current.RasterPos[2] * depthMax;
+ GLfloat tmpf = ctx->Current.RasterPos[2] * depthMax;
tmpf = MIN2(tmpf, depthMax);
span->z = (GLint)tmpf;
}
const GLuint attr = VARYING_SLOT_TEX0 + i;
const GLfloat *tc = ctx->Current.RasterTexCoords[i];
if (_swrast_use_fragment_program(ctx) ||
- ctx->ATIFragmentShader._Enabled) {
+ _mesa_ati_fragment_shader_enabled(ctx)) {
COPY_4V(span->attrStart[attr], tc);
}
else if (tc[3] > 0.0F) {
v3 += dv3dx;
w += dwdx;
}
- ASSERT((span->arrayAttribs & BITFIELD64_BIT(attr)) == 0);
+ assert((span->arrayAttribs & BITFIELD64_BIT(attr)) == 0);
span->arrayAttribs |= BITFIELD64_BIT(attr);
}
ATTRIB_LOOP_END
const GLuint n = span->end;
GLuint i;
- ASSERT(!(span->arrayMask & SPAN_RGBA));
+ assert(!(span->arrayMask & SPAN_RGBA));
#endif
switch (span->array->ChanType) {
}
else {
/* interpolate red/green/blue/alpha to get float colors */
- ASSERT(span->interpMask & SPAN_RGBA);
+ assert(span->interpMask & SPAN_RGBA);
if (span->interpMask & SPAN_FLAT) {
GLfloat r = FixedToFloat(span->red);
GLfloat g = FixedToFloat(span->green);
const GLuint n = span->end;
GLuint i;
- ASSERT(!(span->arrayMask & SPAN_Z));
+ assert(!(span->arrayMask & SPAN_Z));
if (ctx->DrawBuffer->Visual.depthBits <= 16) {
GLfixed zval = span->z;
- GLuint *z = span->array->z;
+ GLuint *z = span->array->z;
for (i = 0; i < n; i++) {
z[i] = FixedToInt(zval);
zval += span->zStep;
GLfloat x = sqrtf(dudx * dudx + dvdx * dvdx);
GLfloat y = sqrtf(dudy * dudy + dvdy * dvdy);
GLfloat rho = MAX2(x, y);
- GLfloat lambda = LOG2(rho);
+ GLfloat lambda = log2f(rho);
return lambda;
}
GLfloat dsdy2 = (s + dsdy) / (q + dqdy) - s * invQ;
GLfloat dtdy2 = (t + dtdy) / (q + dqdy) - t * invQ;
GLfloat maxU, maxV, rho, lambda;
- dsdx2 = FABSF(dsdx2);
- dsdy2 = FABSF(dsdy2);
- dtdx2 = FABSF(dtdx2);
- dtdy2 = FABSF(dtdy2);
+ dsdx2 = fabsf(dsdx2);
+ dsdy2 = fabsf(dsdy2);
+ dtdx2 = fabsf(dtdx2);
+ dtdy2 = fabsf(dtdy2);
maxU = MAX2(dsdx2, dsdy2) * texW;
maxV = MAX2(dtdx2, dtdy2) * texH;
rho = MAX2(maxU, maxV);
- lambda = LOG2(rho);
+ lambda = logf2(rho);
return lambda;
}
#endif
GLfloat q = span->attrStart[attr][3] + span->leftClip * dqdx;
if (obj) {
- const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel];
+ const struct gl_texture_image *img = _mesa_base_tex_image(obj);
const struct swrast_texture_image *swImg =
swrast_texture_image_const(img);
const struct gl_sampler_object *samp = _mesa_get_samplerobj(ctx, u);
/* LOD is calculated directly in the ansiotropic filter, we can
* skip the normal lambda function as the result is ignored.
*/
- if (samp->MaxAnisotropy > 1.0 &&
+ if (samp->MaxAnisotropy > 1.0F &&
samp->MinFilter == GL_LINEAR_MIPMAP_LINEAR) {
needLambda = GL_FALSE;
}
if (needLambda) {
GLuint i;
if (_swrast_use_fragment_program(ctx)
- || ctx->ATIFragmentShader._Enabled) {
+ || _mesa_ati_fragment_shader_enabled(ctx)) {
/* do perspective correction but don't divide s, t, r by q */
const GLfloat dwdx = span->attrStepX[VARYING_SLOT_POS][3];
GLfloat w = span->attrStart[VARYING_SLOT_POS][3] + span->leftClip * dwdx;
else {
GLuint i;
if (_swrast_use_fragment_program(ctx) ||
- ctx->ATIFragmentShader._Enabled) {
+ _mesa_ati_fragment_shader_enabled(ctx)) {
/* do perspective correction but don't divide s, t, r by q */
const GLfloat dwdx = span->attrStepX[VARYING_SLOT_POS][3];
GLfloat w = span->attrStart[VARYING_SLOT_POS][3] + span->leftClip * dwdx;
{
GLubyte *mask = span->array->mask;
- ASSERT(ctx->Polygon.StippleFlag);
+ assert(ctx->Polygon.StippleFlag);
if (span->arrayMask & SPAN_XY) {
/* arrays of x/y pixel coords */
/* Clip to right */
if (x + n > xmax) {
- ASSERT(x < xmax);
+ assert(x < xmax);
n = span->end = xmax - x;
}
const GLint leftClip = xmin - x;
GLuint i;
- ASSERT(leftClip > 0);
- ASSERT(x + n > xmin);
+ assert(leftClip > 0);
+ assert(x + n > xmin);
/* Clip 'leftClip' pixels from the left side.
* The span->leftClip field will be applied when we interpolate
* For arrays of values, shift them left.
*/
for (i = 0; i < VARYING_SLOT_MAX; i++) {
- if (span->interpMask & (1 << i)) {
+ if (span->interpMask & (1u << i)) {
GLuint j;
for (j = 0; j < 4; j++) {
span->attrStart[i][j] += leftClip * span->attrStepX[i][j];
memmove(ARRAY, ARRAY + (SHIFT), (LEN) * sizeof(ARRAY[0]))
for (i = 0; i < VARYING_SLOT_MAX; i++) {
- if (span->arrayAttribs & (1 << i)) {
+ if (span->arrayAttribs & BITFIELD64_BIT(i)) {
/* shift array elements left by 'leftClip' */
SHIFT_ARRAY(span->array->attribs[i], leftClip, n - leftClip);
}
span->writeAll = GL_FALSE;
}
- ASSERT(span->x >= xmin);
- ASSERT(span->x + span->end <= xmax);
- ASSERT(span->y >= ymin);
- ASSERT(span->y < ymax);
+ assert(span->x >= xmin);
+ assert(span->x + span->end <= xmax);
+ assert(span->y >= ymin);
+ assert(span->y < ymax);
return GL_TRUE; /* some pixels visible */
}
GLfloat (*col1)[4] = span->array->attribs[VARYING_SLOT_COL1];
GLuint i;
- ASSERT(!_swrast_use_fragment_program(ctx));
- ASSERT(span->arrayMask & SPAN_RGBA);
- ASSERT(swrast->_ActiveAttribMask & VARYING_BIT_COL1);
+ assert(!_swrast_use_fragment_program(ctx));
+ assert(span->arrayMask & SPAN_RGBA);
+ assert(swrast->_ActiveAttribMask & VARYING_BIT_COL1);
(void) swrast; /* silence warning */
if (span->array->ChanType == GL_FLOAT) {
interpolate_active_attribs(ctx, span, VARYING_BIT_COL1);
}
- ASSERT(span->arrayAttribs & VARYING_BIT_COL0);
- ASSERT(span->arrayAttribs & VARYING_BIT_COL1);
+ assert(span->arrayAttribs & VARYING_BIT_COL0);
+ assert(span->arrayAttribs & VARYING_BIT_COL1);
for (i = 0; i < span->end; i++) {
if (mask[i]) {
GLubyte (*rgba)[4] = span->array->rgba8;
for (i = 0; i < span->end; i++) {
const GLfloat a = rgba[i][ACOMP] * coverage[i];
- rgba[i][ACOMP] = (GLubyte) CLAMP(a, 0.0, 255.0);
- ASSERT(coverage[i] >= 0.0);
- ASSERT(coverage[i] <= 1.0);
+ rgba[i][ACOMP] = (GLubyte) CLAMP(a, 0.0F, 255.0F);
+ assert(coverage[i] >= 0.0F);
+ assert(coverage[i] <= 1.0F);
}
}
else if (span->array->ChanType == GL_UNSIGNED_SHORT) {
GLushort (*rgba)[4] = span->array->rgba16;
for (i = 0; i < span->end; i++) {
const GLfloat a = rgba[i][ACOMP] * coverage[i];
- rgba[i][ACOMP] = (GLushort) CLAMP(a, 0.0, 65535.0);
+ rgba[i][ACOMP] = (GLushort) CLAMP(a, 0.0F, 65535.0F);
}
}
else {
{
GLfloat (*rgba)[4] = span->array->attribs[VARYING_SLOT_COL0];
GLuint i;
- ASSERT(span->array->ChanType == GL_FLOAT);
+ assert(span->array->ChanType == GL_FLOAT);
for (i = 0; i < span->end; i++) {
rgba[i][RCOMP] = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F);
rgba[i][GCOMP] = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F);
* \param output which fragment program color output is being processed
*/
static inline void
-convert_color_type(SWspan *span, GLenum newType, GLuint output)
+convert_color_type(SWspan *span, GLenum srcType, GLenum newType, GLuint output)
{
GLvoid *src, *dst;
- if (output > 0 || span->array->ChanType == GL_FLOAT) {
+ if (output > 0 || srcType == GL_FLOAT) {
src = span->array->attribs[VARYING_SLOT_COL0 + output];
span->array->ChanType = GL_FLOAT;
}
- else if (span->array->ChanType == GL_UNSIGNED_BYTE) {
+ else if (srcType == GL_UNSIGNED_BYTE) {
src = span->array->rgba8;
}
else {
- ASSERT(span->array->ChanType == GL_UNSIGNED_SHORT);
+ assert(srcType == GL_UNSIGNED_SHORT);
src = span->array->rgba16;
}
shade_texture_span(struct gl_context *ctx, SWspan *span)
{
if (_swrast_use_fragment_program(ctx) ||
- ctx->ATIFragmentShader._Enabled) {
+ _mesa_ati_fragment_shader_enabled(ctx)) {
/* programmable shading */
if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
- convert_color_type(span, GL_FLOAT, 0);
+ convert_color_type(span, span->array->ChanType, GL_FLOAT, 0);
}
else {
span->array->rgba = (void *) span->array->attribs[VARYING_SLOT_COL0];
_swrast_exec_fragment_program(ctx, span);
}
else {
- ASSERT(ctx->ATIFragmentShader._Enabled);
+ assert(_mesa_ati_fragment_shader_enabled(ctx));
_swrast_exec_fragment_shader(ctx, span);
}
}
GLuint count, const GLint x[], const GLint y[],
const void *values, const GLubyte *mask)
{
- gl_pack_ubyte_rgba_func pack_ubyte = NULL;
- gl_pack_float_rgba_func pack_float = NULL;
+ mesa_pack_ubyte_rgba_func pack_ubyte = NULL;
+ mesa_pack_float_rgba_func pack_float = NULL;
GLuint i;
if (datatype == GL_UNSIGNED_BYTE)
_swrast_write_rgba_span( struct gl_context *ctx, SWspan *span)
{
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const GLuint *colorMask = (GLuint *) ctx->Color.ColorMask;
const GLbitfield origInterpMask = span->interpMask;
const GLbitfield origArrayMask = span->arrayMask;
const GLbitfield64 origArrayAttribs = span->arrayAttribs;
const GLenum origChanType = span->array->ChanType;
void * const origRgba = span->array->rgba;
const GLboolean shader = (_swrast_use_fragment_program(ctx)
- || ctx->ATIFragmentShader._Enabled);
+ || _mesa_ati_fragment_shader_enabled(ctx));
const GLboolean shaderOrTexture = shader || ctx->Texture._EnabledCoordUnits;
struct gl_framebuffer *fb = ctx->DrawBuffer;
/*
- printf("%s() interp 0x%x array 0x%x\n", __FUNCTION__,
+ printf("%s() interp 0x%x array 0x%x\n", __func__,
span->interpMask, span->arrayMask);
*/
- ASSERT(span->primitive == GL_POINT ||
+ assert(span->primitive == GL_POINT ||
span->primitive == GL_LINE ||
span->primitive == GL_POLYGON ||
span->primitive == GL_BITMAP);
return;
}
- ASSERT(span->end <= SWRAST_MAX_WIDTH);
+ assert(span->end <= SWRAST_MAX_WIDTH);
/* Depth bounds test */
if (ctx->Depth.BoundsTest && fb->Visual.depthBits > 0) {
}
/* Stencil and Z testing */
- if (ctx->Stencil._Enabled || ctx->Depth.Test) {
+ if (_mesa_stencil_is_enabled(ctx) || ctx->Depth.Test) {
if (!(span->arrayMask & SPAN_Z))
_swrast_span_interpolate_z(ctx, span);
- if (ctx->Transform.DepthClamp)
+ if (ctx->Transform.DepthClampNear && ctx->Transform.DepthClampFar)
_swrast_depth_clamp_span(ctx, span);
- if (ctx->Stencil._Enabled) {
+ if (_mesa_stencil_is_enabled(ctx)) {
/* Combined Z/stencil tests */
if (!_swrast_stencil_and_ztest_span(ctx, span)) {
/* all fragments failed test */
}
else if (fb->Visual.depthBits > 0) {
/* Just regular depth testing */
- ASSERT(ctx->Depth.Test);
- ASSERT(span->arrayMask & SPAN_Z);
+ assert(ctx->Depth.Test);
+ assert(span->arrayMask & SPAN_Z);
if (!_swrast_depth_test_span(ctx, span)) {
/* all fragments failed test */
goto end;
/* We had to wait until now to check for glColorMask(0,0,0,0) because of
* the occlusion test.
*/
- if (fb->_NumColorDrawBuffers == 1 && colorMask[0] == 0x0) {
+ if (fb->_NumColorDrawBuffers == 1 &&
+ !GET_COLORMASK(ctx->Color.ColorMask, 0)) {
/* no colors to write */
goto end;
}
}
#endif
- ASSERT(span->arrayMask & SPAN_RGBA);
+ assert(span->arrayMask & SPAN_RGBA);
if (span->primitive == GL_BITMAP || !swrast->SpecularVertexAdd) {
/* Add primary and specular (diffuse + specular) colors */
*/
{
const GLuint numBuffers = fb->_NumColorDrawBuffers;
- const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
- const GLboolean multiFragOutputs =
+ const struct gl_program *fp = ctx->FragmentProgram._Current;
+ const GLboolean multiFragOutputs =
_swrast_use_fragment_program(ctx)
- && fp->Base.OutputsWritten >= (1 << FRAG_RESULT_DATA0);
+ && fp->info.outputs_written >= (1 << FRAG_RESULT_DATA0);
+ /* Save srcColorType because convert_color_type() can change it */
+ const GLenum srcColorType = span->array->ChanType;
GLuint buf;
for (buf = 0; buf < numBuffers; buf++) {
/* re-use one of the attribute array buffers for rgbaSave */
GLchan (*rgbaSave)[4] = (GLchan (*)[4]) span->array->attribs[0];
struct swrast_renderbuffer *srb = swrast_renderbuffer(rb);
- GLenum colorType = srb->ColorType;
+ const GLenum dstColorType = srb->ColorType;
- assert(colorType == GL_UNSIGNED_BYTE ||
- colorType == GL_FLOAT);
+ assert(dstColorType == GL_UNSIGNED_BYTE ||
+ dstColorType == GL_FLOAT);
/* set span->array->rgba to colors for renderbuffer's datatype */
- if (span->array->ChanType != colorType) {
- convert_color_type(span, colorType, 0);
+ if (srcColorType != dstColorType) {
+ convert_color_type(span, srcColorType, dstColorType,
+ multiFragOutputs ? buf : 0);
}
else {
- if (span->array->ChanType == GL_UNSIGNED_BYTE) {
+ if (srcColorType == GL_UNSIGNED_BYTE) {
span->array->rgba = span->array->rgba8;
}
else {
4 * span->end * sizeof(GLchan));
}
- ASSERT(rb->_BaseFormat == GL_RGBA ||
+ assert(rb->_BaseFormat == GL_RGBA ||
rb->_BaseFormat == GL_RGB ||
rb->_BaseFormat == GL_RED ||
rb->_BaseFormat == GL_RG ||
_swrast_blend_span(ctx, rb, span);
}
- if (colorMask[buf] != 0xffffffff) {
+ if (GET_COLORMASK(ctx->Color.ColorMask, buf) != 0xf) {
_swrast_mask_rgba_span(ctx, rb, span, buf);
}
length = (GLint) n;
}
- ASSERT(rb);
- ASSERT(rb->_BaseFormat == GL_RGBA ||
+ assert(rb);
+ assert(rb->_BaseFormat == GL_RGBA ||
rb->_BaseFormat == GL_RGB ||
rb->_BaseFormat == GL_RG ||
rb->_BaseFormat == GL_RED ||
rb->_BaseFormat == GL_ALPHA);
assert(srb->Map);
+ (void) srb; /* silence unused var warning */
src = _swrast_pixel_address(rb, x + skip, y);
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