X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast_setup%2Fss_tritmp.h;h=adb77bd32472b6343cceddf193e4b645bcabc658;hb=8498cb4a45e8ed53a2ee2b35d3c2cbb9963e1756;hp=f6b738d60dfc2d3ffb383faaf65ddb885c059cc6;hpb=eb9a5b6d5127858b01ec12672c999e7d25cd7aed;p=mesa.git diff --git a/src/mesa/swrast_setup/ss_tritmp.h b/src/mesa/swrast_setup/ss_tritmp.h index f6b738d60df..adb77bd3247 100644 --- a/src/mesa/swrast_setup/ss_tritmp.h +++ b/src/mesa/swrast_setup/ss_tritmp.h @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -17,12 +16,13 @@ * 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. * * Authors: - * Keith Whitwell + * Keith Whitwell */ @@ -30,7 +30,7 @@ * This is where we handle assigning vertex colors based on front/back * facing, compute polygon offset and handle glPolygonMode(). */ -static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) +static void TAG(triangle)(struct gl_context *ctx, GLuint e0, GLuint e1, GLuint e2 ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; SScontext *swsetup = SWSETUP_CONTEXT(ctx); @@ -40,103 +40,89 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) GLfloat offset, oz0, oz1, oz2; GLenum mode = GL_FILL; GLuint facing = 0; - GLchan saved_color[3][4]; - GLfloat saved_col0[3][4]; - GLfloat saved_spec[3][4]; - GLfloat saved_index[3]; + GLchan saved_color[3][4] = { { 0 } }; + GLfloat saved_col0[3][4] = { { 0 } }; + GLfloat saved_spec[3][4] = { { 0 } }; v[0] = &verts[e0]; v[1] = &verts[e1]; v[2] = &verts[e2]; - if (IND & (SS_TWOSIDE_BIT | SS_OFFSET_BIT | SS_UNFILLED_BIT)) { - GLfloat ex = v[0]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; - GLfloat ey = v[0]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; - GLfloat fx = v[1]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; - GLfloat fy = v[1]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; + GLfloat ex = v[0]->attrib[VARYING_SLOT_POS][0] - v[2]->attrib[VARYING_SLOT_POS][0]; + GLfloat ey = v[0]->attrib[VARYING_SLOT_POS][1] - v[2]->attrib[VARYING_SLOT_POS][1]; + GLfloat fx = v[1]->attrib[VARYING_SLOT_POS][0] - v[2]->attrib[VARYING_SLOT_POS][0]; + GLfloat fy = v[1]->attrib[VARYING_SLOT_POS][1] - v[2]->attrib[VARYING_SLOT_POS][1]; GLfloat cc = ex*fy - ey*fx; if (IND & (SS_TWOSIDE_BIT | SS_UNFILLED_BIT)) { - facing = (cc < 0.0) ^ ctx->Polygon._FrontBit; - ctx->_Facing = facing; + facing = (cc < 0.0F) ^ ctx->Polygon._FrontBit; if (IND & SS_UNFILLED_BIT) mode = facing ? ctx->Polygon.BackMode : ctx->Polygon.FrontMode; if (facing == 1) { if (IND & SS_TWOSIDE_BIT) { - if (IND & SS_RGBA_BIT) { - if (VB->ColorPtr[1]) { - GLfloat (*vbcolor)[4] = VB->ColorPtr[1]->data; + if (VB->BackfaceColorPtr) { + GLfloat (*vbcolor)[4] = VB->BackfaceColorPtr->data; + if (swsetup->intColors) { + COPY_CHAN4(saved_color[0], v[0]->color); + COPY_CHAN4(saved_color[1], v[1]->color); + COPY_CHAN4(saved_color[2], v[2]->color); + } + else { + COPY_4V(saved_col0[0], v[0]->attrib[VARYING_SLOT_COL0]); + COPY_4V(saved_col0[1], v[1]->attrib[VARYING_SLOT_COL0]); + COPY_4V(saved_col0[2], v[2]->attrib[VARYING_SLOT_COL0]); + } + + if (VB->BackfaceColorPtr->stride) { if (swsetup->intColors) { - COPY_CHAN4(saved_color[0], v[0]->color); - COPY_CHAN4(saved_color[1], v[1]->color); - COPY_CHAN4(saved_color[2], v[2]->color); + SS_COLOR(v[0]->color, vbcolor[e0]); + SS_COLOR(v[1]->color, vbcolor[e1]); + SS_COLOR(v[2]->color, vbcolor[e2]); } else { - COPY_4V(saved_col0[0], v[0]->attrib[FRAG_ATTRIB_COL0]); - COPY_4V(saved_col0[1], v[1]->attrib[FRAG_ATTRIB_COL0]); - COPY_4V(saved_col0[2], v[2]->attrib[FRAG_ATTRIB_COL0]); + COPY_4V(v[0]->attrib[VARYING_SLOT_COL0], vbcolor[e0]); + COPY_4V(v[1]->attrib[VARYING_SLOT_COL0], vbcolor[e1]); + COPY_4V(v[2]->attrib[VARYING_SLOT_COL0], vbcolor[e2]); } - - if (VB->ColorPtr[1]->stride) { - if (swsetup->intColors) { - SS_COLOR(v[0]->color, vbcolor[e0]); - SS_COLOR(v[1]->color, vbcolor[e1]); - SS_COLOR(v[2]->color, vbcolor[e2]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[e0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[e1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[e2]); - } + } + else { + /* flat shade */ + if (swsetup->intColors) { + SS_COLOR(v[0]->color, vbcolor[0]); + SS_COLOR(v[1]->color, vbcolor[0]); + SS_COLOR(v[2]->color, vbcolor[0]); } else { - /* flat shade */ - if (swsetup->intColors) { - SS_COLOR(v[0]->color, vbcolor[0]); - SS_COLOR(v[1]->color, vbcolor[0]); - SS_COLOR(v[2]->color, vbcolor[0]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - } + COPY_4V(v[0]->attrib[VARYING_SLOT_COL0], vbcolor[0]); + COPY_4V(v[1]->attrib[VARYING_SLOT_COL0], vbcolor[0]); + COPY_4V(v[2]->attrib[VARYING_SLOT_COL0], vbcolor[0]); } } + } - if (VB->SecondaryColorPtr[1]) { - GLfloat (*vbspec)[4] = VB->SecondaryColorPtr[1]->data; + if (VB->BackfaceSecondaryColorPtr) { + GLfloat (*vbspec)[4] = VB->BackfaceSecondaryColorPtr->data; - COPY_4V(saved_spec[0], v[0]->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(saved_spec[1], v[1]->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(saved_spec[2], v[2]->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(saved_spec[0], v[0]->attrib[VARYING_SLOT_COL1]); + COPY_4V(saved_spec[1], v[1]->attrib[VARYING_SLOT_COL1]); + COPY_4V(saved_spec[2], v[2]->attrib[VARYING_SLOT_COL1]); - if (VB->SecondaryColorPtr[1]->stride) { - SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[e0]); - SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[e1]); - SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[e2]); - } - else { - SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - } + if (VB->BackfaceSecondaryColorPtr->stride) { + SS_SPEC(v[0]->attrib[VARYING_SLOT_COL1], vbspec[e0]); + SS_SPEC(v[1]->attrib[VARYING_SLOT_COL1], vbspec[e1]); + SS_SPEC(v[2]->attrib[VARYING_SLOT_COL1], vbspec[e2]); + } + else { + SS_SPEC(v[0]->attrib[VARYING_SLOT_COL1], vbspec[0]); + SS_SPEC(v[1]->attrib[VARYING_SLOT_COL1], vbspec[0]); + SS_SPEC(v[2]->attrib[VARYING_SLOT_COL1], vbspec[0]); } - } else { - GLfloat *vbindex = (GLfloat *)VB->IndexPtr[1]->data; - saved_index[0] = v[0]->attrib[FRAG_ATTRIB_CI][0]; - saved_index[1] = v[1]->attrib[FRAG_ATTRIB_CI][0]; - saved_index[2] = v[2]->attrib[FRAG_ATTRIB_CI][0]; - - SS_IND(v[0]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e0]); - SS_IND(v[1]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e1]); - SS_IND(v[2]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e2]); } } } @@ -145,47 +131,47 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) if (IND & SS_OFFSET_BIT) { const GLfloat max = ctx->DrawBuffer->_DepthMaxF; /* save original Z values (restored later) */ - z[0] = v[0]->attrib[FRAG_ATTRIB_WPOS][2]; - z[1] = v[1]->attrib[FRAG_ATTRIB_WPOS][2]; - z[2] = v[2]->attrib[FRAG_ATTRIB_WPOS][2]; + z[0] = v[0]->attrib[VARYING_SLOT_POS][2]; + z[1] = v[1]->attrib[VARYING_SLOT_POS][2]; + z[2] = v[2]->attrib[VARYING_SLOT_POS][2]; /* Note that Z values are already scaled to [0,65535] (for example) * so no MRD value is used here. */ offset = ctx->Polygon.OffsetUnits; - if (cc * cc > 1e-16) { + if (cc * cc > 1e-16F) { const GLfloat ez = z[0] - z[2]; const GLfloat fz = z[1] - z[2]; const GLfloat oneOverArea = 1.0F / cc; - const GLfloat dzdx = FABSF((ey * fz - ez * fy) * oneOverArea); - const GLfloat dzdy = FABSF((ez * fx - ex * fz) * oneOverArea); + const GLfloat dzdx = fabsf((ey * fz - ez * fy) * oneOverArea); + const GLfloat dzdy = fabsf((ez * fx - ex * fz) * oneOverArea); offset += MAX2(dzdx, dzdy) * ctx->Polygon.OffsetFactor; } /* new Z values */ - oz0 = CLAMP(v[0]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0, max); - oz1 = CLAMP(v[1]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0, max); - oz2 = CLAMP(v[2]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0, max); + oz0 = CLAMP(v[0]->attrib[VARYING_SLOT_POS][2] + offset, 0.0F, max); + oz1 = CLAMP(v[1]->attrib[VARYING_SLOT_POS][2] + offset, 0.0F, max); + oz2 = CLAMP(v[2]->attrib[VARYING_SLOT_POS][2] + offset, 0.0F, max); } } if (mode == GL_POINT) { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetPoint) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + v[0]->attrib[VARYING_SLOT_POS][2] = oz0; + v[1]->attrib[VARYING_SLOT_POS][2] = oz1; + v[2]->attrib[VARYING_SLOT_POS][2] = oz2; } - _swsetup_render_point_tri( ctx, e0, e1, e2, facing ); + _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_point_tri); } else if (mode == GL_LINE) { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetLine) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + v[0]->attrib[VARYING_SLOT_POS][2] = oz0; + v[1]->attrib[VARYING_SLOT_POS][2] = oz1; + v[2]->attrib[VARYING_SLOT_POS][2] = oz2; } - _swsetup_render_line_tri( ctx, e0, e1, e2, facing ); + _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_line_tri); } else { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetFill) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + v[0]->attrib[VARYING_SLOT_POS][2] = oz0; + v[1]->attrib[VARYING_SLOT_POS][2] = oz1; + v[2]->attrib[VARYING_SLOT_POS][2] = oz2; } _swrast_Triangle( ctx, v[0], v[1], v[2] ); } @@ -194,37 +180,31 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) * Restore original vertex colors, etc. */ if (IND & SS_OFFSET_BIT) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = z[0]; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = z[1]; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = z[2]; + v[0]->attrib[VARYING_SLOT_POS][2] = z[0]; + v[1]->attrib[VARYING_SLOT_POS][2] = z[1]; + v[2]->attrib[VARYING_SLOT_POS][2] = z[2]; } if (IND & SS_TWOSIDE_BIT) { if (facing == 1) { - if (IND & SS_RGBA_BIT) { - if (VB->ColorPtr[1]) { - if (swsetup->intColors) { - COPY_CHAN4(v[0]->color, saved_color[0]); - COPY_CHAN4(v[1]->color, saved_color[1]); - COPY_CHAN4(v[2]->color, saved_color[2]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], saved_col0[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], saved_col0[1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], saved_col0[2]); - } - } - - if (VB->SecondaryColorPtr[1]) { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL1], saved_spec[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL1], saved_spec[1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL1], saved_spec[2]); - } - } else { - v[0]->attrib[FRAG_ATTRIB_CI][0] = saved_index[0]; - v[1]->attrib[FRAG_ATTRIB_CI][0] = saved_index[1]; - v[2]->attrib[FRAG_ATTRIB_CI][0] = saved_index[2]; - } + if (VB->BackfaceColorPtr) { + if (swsetup->intColors) { + COPY_CHAN4(v[0]->color, saved_color[0]); + COPY_CHAN4(v[1]->color, saved_color[1]); + COPY_CHAN4(v[2]->color, saved_color[2]); + } + else { + COPY_4V(v[0]->attrib[VARYING_SLOT_COL0], saved_col0[0]); + COPY_4V(v[1]->attrib[VARYING_SLOT_COL0], saved_col0[1]); + COPY_4V(v[2]->attrib[VARYING_SLOT_COL0], saved_col0[2]); + } + } + + if (VB->BackfaceSecondaryColorPtr) { + COPY_4V(v[0]->attrib[VARYING_SLOT_COL1], saved_spec[0]); + COPY_4V(v[1]->attrib[VARYING_SLOT_COL1], saved_spec[1]); + COPY_4V(v[2]->attrib[VARYING_SLOT_COL1], saved_spec[2]); + } } } } @@ -233,19 +213,21 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) /* Need to fixup edgeflags when decomposing to triangles: */ -static void TAG(quadfunc)( GLcontext *ctx, GLuint v0, +static void TAG(quadfunc)( struct gl_context *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint v3 ) { if (IND & SS_UNFILLED_BIT) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLubyte ef1 = VB->EdgeFlag[v1]; - GLubyte ef3 = VB->EdgeFlag[v3]; - VB->EdgeFlag[v1] = 0; - TAG(triangle)( ctx, v0, v1, v3 ); - VB->EdgeFlag[v1] = ef1; - VB->EdgeFlag[v3] = 0; - TAG(triangle)( ctx, v1, v2, v3 ); - VB->EdgeFlag[v3] = ef3; + if (VB->EdgeFlag) { /* XXX this test shouldn't be needed (bug 12614) */ + GLubyte ef1 = VB->EdgeFlag[v1]; + GLubyte ef3 = VB->EdgeFlag[v3]; + VB->EdgeFlag[v1] = 0; + TAG(triangle)( ctx, v0, v1, v3 ); + VB->EdgeFlag[v1] = ef1; + VB->EdgeFlag[v3] = 0; + TAG(triangle)( ctx, v1, v2, v3 ); + VB->EdgeFlag[v3] = ef3; + } } else { TAG(triangle)( ctx, v0, v1, v3 ); TAG(triangle)( ctx, v1, v2, v3 );