X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_span.c;h=dcb2db01e6d09c204ce444195eb1b73fd1380125;hb=34fe561895bed253070b7dadaa86b4473ad7b51a;hp=7ab60b1e5140c2a0cb4bb8ce332afaf27c011201;hpb=ba151a333be7a23266b23ee6f65669bb19221546;p=mesa.git diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 7ab60b1e514..dcb2db01e6d 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1,6 +1,5 @@ /* * 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. @@ -18,9 +17,10 @@ * 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 - * BRIAN PAUL 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. */ @@ -31,13 +31,18 @@ * \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" @@ -69,7 +74,7 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span) 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; } @@ -78,9 +83,9 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span) } /* 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; + span->attrStart[VARYING_SLOT_POS][3] = 1.0; + span->attrStepX[VARYING_SLOT_POS][3] = 0.0; + span->attrStepY[VARYING_SLOT_POS][3] = 0.0; /* primary color, or color index */ UNCLAMPED_FLOAT_TO_CHAN(r, ctx->Current.RasterColor[0]); @@ -104,16 +109,16 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span) span->alphaStep = 0; span->interpMask |= SPAN_RGBA; - COPY_4V(span->attrStart[FRAG_ATTRIB_COL0], ctx->Current.RasterColor); - ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0); - ASSIGN_4V(span->attrStepY[FRAG_ATTRIB_COL0], 0.0, 0.0, 0.0, 0.0); + COPY_4V(span->attrStart[VARYING_SLOT_COL0], ctx->Current.RasterColor); + ASSIGN_4V(span->attrStepX[VARYING_SLOT_COL0], 0.0, 0.0, 0.0, 0.0); + ASSIGN_4V(span->attrStepY[VARYING_SLOT_COL0], 0.0, 0.0, 0.0, 0.0); /* Secondary color */ if (ctx->Light.Enabled || ctx->Fog.ColorSumEnabled) { - COPY_4V(span->attrStart[FRAG_ATTRIB_COL1], ctx->Current.RasterSecondaryColor); - ASSIGN_4V(span->attrStepX[FRAG_ATTRIB_COL1], 0.0, 0.0, 0.0, 0.0); - ASSIGN_4V(span->attrStepY[FRAG_ATTRIB_COL1], 0.0, 0.0, 0.0, 0.0); + COPY_4V(span->attrStart[VARYING_SLOT_COL1], ctx->Current.RasterSecondaryColor); + ASSIGN_4V(span->attrStepX[VARYING_SLOT_COL1], 0.0, 0.0, 0.0, 0.0); + ASSIGN_4V(span->attrStepY[VARYING_SLOT_COL1], 0.0, 0.0, 0.0, 0.0); } /* fog */ @@ -128,18 +133,19 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span) /* 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; + span->attrStart[VARYING_SLOT_FOGC][0] = fogVal; + span->attrStepX[VARYING_SLOT_FOGC][0] = 0.0; + span->attrStepY[VARYING_SLOT_FOGC][0] = 0.0; } /* texcoords */ { GLuint i; for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { - const GLuint attr = FRAG_ATTRIB_TEX0 + i; + const GLuint attr = VARYING_SLOT_TEX0 + i; const GLfloat *tc = ctx->Current.RasterTexCoords[i]; - if (ctx->FragmentProgram._Current || ctx->ATIFragmentShader._Enabled) { + if (_swrast_use_fragment_program(ctx) || + _mesa_ati_fragment_shader_enabled(ctx)) { COPY_4V(span->attrStart[attr], tc); } else if (tc[3] > 0.0F) { @@ -163,7 +169,7 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span) * Interpolate the active attributes (and'd with attrMask) to * fill in span->array->attribs[]. * Perspective correction will be done. The point/line/triangle function - * should have computed attrStart/Step values for FRAG_ATTRIB_WPOS[3]! + * should have computed attrStart/Step values for VARYING_SLOT_POS[3]! */ static inline void interpolate_active_attribs(struct gl_context *ctx, SWspan *span, @@ -179,8 +185,8 @@ interpolate_active_attribs(struct gl_context *ctx, SWspan *span, ATTRIB_LOOP_BEGIN if (attrMask & BITFIELD64_BIT(attr)) { - const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; - GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3]; + const GLfloat dwdx = span->attrStepX[VARYING_SLOT_POS][3]; + GLfloat w = span->attrStart[VARYING_SLOT_POS][3]; const GLfloat dv0dx = span->attrStepX[attr][0]; const GLfloat dv1dx = span->attrStepX[attr][1]; const GLfloat dv2dx = span->attrStepX[attr][2]; @@ -202,7 +208,7 @@ interpolate_active_attribs(struct gl_context *ctx, SWspan *span, 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 @@ -220,7 +226,7 @@ interpolate_int_colors(struct gl_context *ctx, SWspan *span) const GLuint n = span->end; GLuint i; - ASSERT(!(span->arrayMask & SPAN_RGBA)); + assert(!(span->arrayMask & SPAN_RGBA)); #endif switch (span->array->ChanType) { @@ -300,7 +306,7 @@ interpolate_int_colors(struct gl_context *ctx, SWspan *span) break; #endif case GL_FLOAT: - interpolate_active_attribs(ctx, span, FRAG_BIT_COL0); + interpolate_active_attribs(ctx, span, VARYING_BIT_COL0); break; default: _mesa_problem(ctx, "bad datatype 0x%x in interpolate_int_colors", @@ -311,16 +317,16 @@ interpolate_int_colors(struct gl_context *ctx, SWspan *span) /** - * Populate the FRAG_ATTRIB_COL0 array. + * Populate the VARYING_SLOT_COL0 array. */ static inline void interpolate_float_colors(SWspan *span) { - GLfloat (*col0)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; + GLfloat (*col0)[4] = span->array->attribs[VARYING_SLOT_COL0]; const GLuint n = span->end; GLuint i; - assert(!(span->arrayAttribs & FRAG_BIT_COL0)); + assert(!(span->arrayAttribs & VARYING_BIT_COL0)); if (span->arrayMask & SPAN_RGBA) { /* convert array of int colors */ @@ -333,7 +339,7 @@ interpolate_float_colors(SWspan *span) } 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); @@ -365,7 +371,7 @@ interpolate_float_colors(SWspan *span) } } - span->arrayAttribs |= FRAG_BIT_COL0; + span->arrayAttribs |= VARYING_BIT_COL0; span->array->ChanType = GL_FLOAT; } @@ -380,11 +386,11 @@ _swrast_span_interpolate_z( const struct gl_context *ctx, SWspan *span ) 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; @@ -417,10 +423,10 @@ _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); GLfloat dudy = texW * ((s + dsdy) / (q + dqdy) - s * invQ); GLfloat dvdy = texH * ((t + dtdy) / (q + dqdy) - t * invQ); - GLfloat x = SQRTF(dudx * dudx + dvdx * dvdx); - GLfloat y = SQRTF(dudy * dudy + dvdy * dvdy); + 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; } @@ -440,21 +446,21 @@ _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, 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 /** - * Fill in the span.array->attrib[FRAG_ATTRIB_TEXn] arrays from the + * Fill in the span.array->attrib[VARYING_SLOT_TEXn] arrays from the * using the attrStart/Step values. * * This function only used during fixed-function fragment processing. @@ -474,7 +480,7 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) /* XXX CoordUnits vs. ImageUnits */ for (u = 0; u < maxUnit; u++) { if (ctx->Texture._EnabledCoordUnits & (1 << u)) { - const GLuint attr = FRAG_ATTRIB_TEX0 + u; + const GLuint attr = VARYING_SLOT_TEX0 + u; const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; GLfloat texW, texH; GLboolean needLambda; @@ -493,17 +499,18 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) 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); - needLambda = (obj->Sampler.MinFilter != obj->Sampler.MagFilter) - || ctx->FragmentProgram._Current; + needLambda = (samp->MinFilter != samp->MagFilter) + || _swrast_use_fragment_program(ctx); /* LOD is calculated directly in the ansiotropic filter, we can * skip the normal lambda function as the result is ignored. */ - if (obj->Sampler.MaxAnisotropy > 1.0 && - obj->Sampler.MinFilter == GL_LINEAR_MIPMAP_LINEAR) { + if (samp->MaxAnisotropy > 1.0F && + samp->MinFilter == GL_LINEAR_MIPMAP_LINEAR) { needLambda = GL_FALSE; } texW = swImg->WidthScale; @@ -518,11 +525,11 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) if (needLambda) { GLuint i; - if (ctx->FragmentProgram._Current - || ctx->ATIFragmentShader._Enabled) { + if (_swrast_use_fragment_program(ctx) + || _mesa_ati_fragment_shader_enabled(ctx)) { /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; - GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dwdx; + const GLfloat dwdx = span->attrStepX[VARYING_SLOT_POS][3]; + GLfloat w = span->attrStart[VARYING_SLOT_POS][3] + span->leftClip * dwdx; for (i = 0; i < span->end; i++) { const GLfloat invW = 1.0F / w; texcoord[i][0] = s * invW; @@ -559,11 +566,11 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) } else { GLuint i; - if (ctx->FragmentProgram._Current || - ctx->ATIFragmentShader._Enabled) { + if (_swrast_use_fragment_program(ctx) || + _mesa_ati_fragment_shader_enabled(ctx)) { /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; - GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dwdx; + const GLfloat dwdx = span->attrStepX[VARYING_SLOT_POS][3]; + GLfloat w = span->attrStart[VARYING_SLOT_POS][3] + span->leftClip * dwdx; for (i = 0; i < span->end; i++) { const GLfloat invW = 1.0F / w; texcoord[i][0] = s * invW; @@ -613,12 +620,12 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) /** - * Fill in the arrays->attribs[FRAG_ATTRIB_WPOS] array. + * Fill in the arrays->attribs[VARYING_SLOT_POS] array. */ static inline void interpolate_wpos(struct gl_context *ctx, SWspan *span) { - GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS]; + GLfloat (*wpos)[4] = span->array->attribs[VARYING_SLOT_POS]; GLuint i; const GLfloat zScale = 1.0F / ctx->DrawBuffer->_DepthMaxF; GLfloat w, dw; @@ -636,8 +643,8 @@ interpolate_wpos(struct gl_context *ctx, SWspan *span) } } - dw = span->attrStepX[FRAG_ATTRIB_WPOS][3]; - w = span->attrStart[FRAG_ATTRIB_WPOS][3] + span->leftClip * dw; + dw = span->attrStepX[VARYING_SLOT_POS][3]; + w = span->attrStart[VARYING_SLOT_POS][3] + span->leftClip * dw; for (i = 0; i < span->end; i++) { wpos[i][2] = (GLfloat) span->array->z[i] * zScale; wpos[i][3] = w; @@ -654,7 +661,7 @@ stipple_polygon_span(struct gl_context *ctx, SWspan *span) { GLubyte *mask = span->array->mask; - ASSERT(ctx->Polygon.StippleFlag); + assert(ctx->Polygon.StippleFlag); if (span->arrayMask & SPAN_XY) { /* arrays of x/y pixel coords */ @@ -744,7 +751,7 @@ clip_span( struct gl_context *ctx, SWspan *span ) /* Clip to right */ if (x + n > xmax) { - ASSERT(x < xmax); + assert(x < xmax); n = span->end = xmax - x; } @@ -753,16 +760,16 @@ clip_span( struct gl_context *ctx, SWspan *span ) 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 * fragment attributes. * For arrays of values, shift them left. */ - for (i = 0; i < FRAG_ATTRIB_MAX; i++) { - if (span->interpMask & (1 << i)) { + for (i = 0; i < VARYING_SLOT_MAX; i++) { + if (span->interpMask & (1u << i)) { GLuint j; for (j = 0; j < 4; j++) { span->attrStart[i][j] += leftClip * span->attrStepX[i][j]; @@ -782,8 +789,8 @@ clip_span( struct gl_context *ctx, SWspan *span ) #define SHIFT_ARRAY(ARRAY, SHIFT, LEN) \ memmove(ARRAY, ARRAY + (SHIFT), (LEN) * sizeof(ARRAY[0])) - for (i = 0; i < FRAG_ATTRIB_MAX; i++) { - if (span->arrayAttribs & (1 << i)) { + for (i = 0; i < VARYING_SLOT_MAX; i++) { + if (span->arrayAttribs & BITFIELD64_BIT(i)) { /* shift array elements left by 'leftClip' */ SHIFT_ARRAY(span->array->attribs[i], leftClip, n - leftClip); } @@ -809,10 +816,10 @@ clip_span( struct gl_context *ctx, SWspan *span ) 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 */ } @@ -822,41 +829,41 @@ clip_span( struct gl_context *ctx, SWspan *span ) /** * Add specular colors to primary colors. * Only called during fixed-function operation. - * Result is float color array (FRAG_ATTRIB_COL0). + * Result is float color array (VARYING_SLOT_COL0). */ static inline void add_specular(struct gl_context *ctx, SWspan *span) { const SWcontext *swrast = SWRAST_CONTEXT(ctx); const GLubyte *mask = span->array->mask; - GLfloat (*col0)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; - GLfloat (*col1)[4] = span->array->attribs[FRAG_ATTRIB_COL1]; + GLfloat (*col0)[4] = span->array->attribs[VARYING_SLOT_COL0]; + GLfloat (*col1)[4] = span->array->attribs[VARYING_SLOT_COL1]; GLuint i; - ASSERT(!ctx->FragmentProgram._Current); - ASSERT(span->arrayMask & SPAN_RGBA); - ASSERT(swrast->_ActiveAttribMask & FRAG_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) { - if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) { - interpolate_active_attribs(ctx, span, FRAG_BIT_COL0); + if ((span->arrayAttribs & VARYING_BIT_COL0) == 0) { + interpolate_active_attribs(ctx, span, VARYING_BIT_COL0); } } else { /* need float colors */ - if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) { + if ((span->arrayAttribs & VARYING_BIT_COL0) == 0) { interpolate_float_colors(span); } } - if ((span->arrayAttribs & FRAG_BIT_COL1) == 0) { + if ((span->arrayAttribs & VARYING_BIT_COL1) == 0) { /* XXX could avoid this and interpolate COL1 in the loop below */ - interpolate_active_attribs(ctx, span, FRAG_BIT_COL1); + interpolate_active_attribs(ctx, span, VARYING_BIT_COL1); } - ASSERT(span->arrayAttribs & FRAG_BIT_COL0); - ASSERT(span->arrayAttribs & FRAG_BIT_COL1); + assert(span->arrayAttribs & VARYING_BIT_COL0); + assert(span->arrayAttribs & VARYING_BIT_COL1); for (i = 0; i < span->end; i++) { if (mask[i]) { @@ -882,20 +889,20 @@ apply_aa_coverage(SWspan *span) 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[FRAG_ATTRIB_COL0]; + GLfloat (*rgba)[4] = span->array->attribs[VARYING_SLOT_COL0]; for (i = 0; i < span->end; i++) { rgba[i][ACOMP] = rgba[i][ACOMP] * coverage[i]; /* clamp later */ @@ -910,9 +917,9 @@ apply_aa_coverage(SWspan *span) static inline void clamp_colors(SWspan *span) { - GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; + 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); @@ -929,19 +936,19 @@ clamp_colors(SWspan *span) * \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) { - src = span->array->attribs[FRAG_ATTRIB_COL0 + output]; + 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; } @@ -952,7 +959,7 @@ convert_color_type(SWspan *span, GLenum newType, GLuint output) dst = span->array->rgba16; } else { - dst = span->array->attribs[FRAG_ATTRIB_COL0]; + dst = span->array->attribs[VARYING_SLOT_COL0]; } _mesa_convert_colors(span->array->ChanType, src, @@ -971,32 +978,14 @@ convert_color_type(SWspan *span, GLenum newType, GLuint output) static inline void shade_texture_span(struct gl_context *ctx, SWspan *span) { - /* This is a hack to work around drivers such as i965 that: - * - * - Set _MaintainTexEnvProgram to generate GLSL IR for - * fixed-function fragment processing. - * - Don't call _mesa_ir_link_shader to generate Mesa IR from - * the GLSL IR. - * - May use swrast to handle glDrawPixels. - * - * Since _mesa_ir_link_shader is never called, there is no Mesa IR - * to execute. Instead do regular fixed-function processing. - * - * It is also worth noting that the software fixed-function path is - * much faster than the software shader path. - */ - const bool use_fragment_program = - ctx->FragmentProgram._Current - && ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram; - - if (use_fragment_program || - ctx->ATIFragmentShader._Enabled) { + if (_swrast_use_fragment_program(ctx) || + _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[FRAG_ATTRIB_COL0]; + span->array->rgba = (void *) span->array->attribs[VARYING_SLOT_COL0]; } if (span->primitive != GL_POINT || @@ -1011,18 +1000,18 @@ shade_texture_span(struct gl_context *ctx, SWspan *span) _swrast_span_interpolate_z (ctx, span); #if 0 - if (inputsRead & FRAG_BIT_WPOS) + if (inputsRead & VARYING_BIT_POS) #else /* XXX always interpolate wpos so that DDX/DDY work */ #endif interpolate_wpos(ctx, span); /* Run fragment program/shader now */ - if (use_fragment_program) { + if (_swrast_use_fragment_program(ctx)) { _swrast_exec_fragment_program(ctx, span); } else { - ASSERT(ctx->ATIFragmentShader._Enabled); + assert(_mesa_ati_fragment_shader_enabled(ctx)); _swrast_exec_fragment_shader(ctx, span); } } @@ -1030,14 +1019,14 @@ shade_texture_span(struct gl_context *ctx, SWspan *span) /* conventional texturing */ #if CHAN_BITS == 32 - if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) { + if ((span->arrayAttribs & VARYING_BIT_COL0) == 0) { interpolate_int_colors(ctx, span); } #else if (!(span->arrayMask & SPAN_RGBA)) interpolate_int_colors(ctx, span); #endif - if ((span->arrayAttribs & FRAG_BITS_TEX_ANY) == 0x0) + if ((span->arrayAttribs & VARYING_BITS_TEX_ANY) == 0x0) interpolate_texcoords(ctx, span); _swrast_texture_span(ctx, span); @@ -1052,8 +1041,8 @@ put_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, const GLint x[], const GLint y[], const void *values, const GLubyte *mask) { - gl_pack_ubyte_rgba_func pack_ubyte; - gl_pack_float_rgba_func pack_float; + mesa_pack_ubyte_rgba_func pack_ubyte = NULL; + mesa_pack_float_rgba_func pack_float = NULL; GLuint i; if (datatype == GL_UNSIGNED_BYTE) @@ -1145,23 +1134,22 @@ void _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 = (ctx->FragmentProgram._Current - || ctx->ATIFragmentShader._Enabled); + const GLboolean shader = (_swrast_use_fragment_program(ctx) + || _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); @@ -1181,7 +1169,7 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) return; } - ASSERT(span->end <= MAX_WIDTH); + assert(span->end <= SWRAST_MAX_WIDTH); /* Depth bounds test */ if (ctx->Depth.BoundsTest && fb->Visual.depthBits > 0) { @@ -1227,14 +1215,14 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) } /* 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 */ @@ -1243,8 +1231,8 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) } 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; @@ -1263,7 +1251,8 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) /* 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; } @@ -1277,8 +1266,8 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) } #if CHAN_BITS == 32 - if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) { - interpolate_active_attribs(ctx, span, FRAG_BIT_COL0); + if ((span->arrayAttribs & VARYING_BIT_COL0) == 0) { + interpolate_active_attribs(ctx, span, VARYING_BIT_COL0); } #else if ((span->arrayMask & SPAN_RGBA) == 0) { @@ -1286,7 +1275,7 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) } #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 */ @@ -1324,9 +1313,12 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) */ { const GLuint numBuffers = fb->_NumColorDrawBuffers; - const struct gl_fragment_program *fp = ctx->FragmentProgram._Current; - const GLboolean multiFragOutputs = - (fp && fp->Base.OutputsWritten >= (1 << FRAG_RESULT_DATA0)); + const struct gl_program *fp = ctx->FragmentProgram._Current; + const GLboolean multiFragOutputs = + _swrast_use_fragment_program(ctx) + && 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++) { @@ -1335,14 +1327,27 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) /* color[fragOutput] will be written to buffer[buf] */ if (rb) { - GLchan rgbaSave[MAX_WIDTH][4]; - - if (span->array->ChanType == GL_UNSIGNED_BYTE) { - span->array->rgba = span->array->rgba8; + /* 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); + const GLenum dstColorType = srb->ColorType; + + assert(dstColorType == GL_UNSIGNED_BYTE || + dstColorType == GL_FLOAT); + + /* set span->array->rgba to colors for renderbuffer's datatype */ + if (srcColorType != dstColorType) { + convert_color_type(span, srcColorType, dstColorType, + multiFragOutputs ? buf : 0); } else { - span->array->rgba = (void *) - span->array->attribs[FRAG_ATTRIB_COL0]; + if (srcColorType == GL_UNSIGNED_BYTE) { + span->array->rgba = span->array->rgba8; + } + else { + span->array->rgba = (void *) + span->array->attribs[VARYING_SLOT_COL0]; + } } if (!multiFragOutputs && numBuffers > 1) { @@ -1351,7 +1356,7 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) 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 || @@ -1364,7 +1369,7 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) _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); } @@ -1455,8 +1460,8 @@ _swrast_read_rgba_span( struct gl_context *ctx, struct gl_renderbuffer *rb, 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 || @@ -1466,6 +1471,7 @@ _swrast_read_rgba_span( struct gl_context *ctx, struct gl_renderbuffer *rb, rb->_BaseFormat == GL_ALPHA); assert(srb->Map); + (void) srb; /* silence unused var warning */ src = _swrast_pixel_address(rb, x + skip, y); @@ -1576,7 +1582,7 @@ _swrast_get_dest_rgba(struct gl_context *ctx, struct gl_renderbuffer *rb, void *rbPixels; /* Point rbPixels to a temporary space */ - rbPixels = span->array->attribs[FRAG_ATTRIB_MAX - 1]; + rbPixels = span->array->attribs[VARYING_SLOT_MAX - 1]; /* Get destination values from renderbuffer */ if (span->arrayMask & SPAN_XY) {