X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_span.c;h=321959df9332d5a71aeff8a7d3686cf00938dbed;hb=30ec53f30ee5813db30777b45dbe456a02c8382e;hp=ef51479fdcfd9844a64d84e2b82d432a3a4bcd3a;hpb=cbdc1d53542b3ecca0085399c4bb3b3371f94809;p=mesa.git diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index ef51479fdcf..321959df933 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. */ @@ -39,6 +39,7 @@ #include "main/imports.h" #include "main/image.h" #include "main/samplerobj.h" +#include "main/teximage.h" #include "s_atifragshader.h" #include "s_alpha.h" @@ -79,9 +80,9 @@ _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]); @@ -105,16 +106,16 @@ _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 */ @@ -129,16 +130,16 @@ _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 (_swrast_use_fragment_program(ctx) || ctx->ATIFragmentShader._Enabled) { @@ -165,7 +166,7 @@ _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, @@ -181,8 +182,8 @@ 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]; @@ -302,7 +303,7 @@ 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", @@ -313,16 +314,16 @@ 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 */ @@ -367,7 +368,7 @@ interpolate_float_colors(SWspan *span) } } - span->arrayAttribs |= FRAG_BIT_COL0; + span->arrayAttribs |= VARYING_BIT_COL0; span->array->ChanType = GL_FLOAT; } @@ -419,8 +420,8 @@ _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); return lambda; @@ -456,7 +457,7 @@ _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, /** - * 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. @@ -476,7 +477,7 @@ 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; @@ -495,7 +496,7 @@ 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); @@ -524,8 +525,8 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) if (_swrast_use_fragment_program(ctx) || ctx->ATIFragmentShader._Enabled) { /* 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; @@ -565,8 +566,8 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span) if (_swrast_use_fragment_program(ctx) || ctx->ATIFragmentShader._Enabled) { /* 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; @@ -616,12 +617,12 @@ 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; @@ -639,8 +640,8 @@ 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; @@ -764,7 +765,7 @@ clip_span( struct gl_context *ctx, SWspan *span ) * fragment attributes. * For arrays of values, shift them left. */ - for (i = 0; i < FRAG_ATTRIB_MAX; i++) { + for (i = 0; i < VARYING_SLOT_MAX; i++) { if (span->interpMask & (1 << i)) { GLuint j; for (j = 0; j < 4; j++) { @@ -785,7 +786,7 @@ 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++) { + for (i = 0; i < VARYING_SLOT_MAX; i++) { if (span->arrayAttribs & (1 << i)) { /* shift array elements left by 'leftClip' */ SHIFT_ARRAY(span->array->attribs[i], leftClip, n - leftClip); @@ -825,41 +826,41 @@ 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(!_swrast_use_fragment_program(ctx)); ASSERT(span->arrayMask & SPAN_RGBA); - ASSERT(swrast->_ActiveAttribMask & FRAG_BIT_COL1); + 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]) { @@ -898,7 +899,7 @@ apply_aa_coverage(SWspan *span) } } 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 */ @@ -913,7 +914,7 @@ 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); for (i = 0; i < span->end; i++) { @@ -932,19 +933,19 @@ 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; } @@ -955,7 +956,7 @@ 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, @@ -978,10 +979,10 @@ shade_texture_span(struct gl_context *ctx, SWspan *span) ctx->ATIFragmentShader._Enabled) { /* 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 || @@ -996,7 +997,7 @@ 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 @@ -1015,14 +1016,14 @@ 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); @@ -1262,8 +1263,8 @@ _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) { @@ -1313,6 +1314,8 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) const GLboolean multiFragOutputs = _swrast_use_fragment_program(ctx) && fp->Base.OutputsWritten >= (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++) { @@ -1324,22 +1327,23 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span) /* 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 { span->array->rgba = (void *) - span->array->attribs[FRAG_ATTRIB_COL0]; + span->array->attribs[VARYING_SLOT_COL0]; } } @@ -1574,7 +1578,7 @@ _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) {