X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmesa%2Fswrast_setup%2Fss_triangle.c;h=b92c20be2b751c8f2ba3af682e13d51181c83fec;hb=21f7f67685587f359f500019a7f4995151995792;hp=54e24c4c44e8d8ee35acd377dc3cc97ecd74e693;hpb=3a40dee3eb5151a282ce831b67427f3aa625de28;p=mesa.git diff --git a/src/mesa/swrast_setup/ss_triangle.c b/src/mesa/swrast_setup/ss_triangle.c index 54e24c4c44e..b92c20be2b7 100644 --- a/src/mesa/swrast_setup/ss_triangle.c +++ b/src/mesa/swrast_setup/ss_triangle.c @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -17,16 +16,17 @@ * 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 */ +#include "c99_math.h" #include "main/glheader.h" -#include "main/colormac.h" #include "main/macros.h" #include "main/mtypes.h" @@ -35,56 +35,41 @@ #include "ss_triangle.h" #include "ss_context.h" -#define SS_RGBA_BIT 0x1 -#define SS_OFFSET_BIT 0x2 -#define SS_TWOSIDE_BIT 0x4 -#define SS_UNFILLED_BIT 0x8 -#define SS_MAX_TRIFUNC 0x10 +#define SS_OFFSET_BIT 0x1 +#define SS_TWOSIDE_BIT 0x2 +#define SS_UNFILLED_BIT 0x4 +#define SS_MAX_TRIFUNC 0x8 static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC]; static tnl_quad_func quad_tab[SS_MAX_TRIFUNC]; -static void _swsetup_render_line_tri( GLcontext *ctx, - GLuint e0, GLuint e1, GLuint e2, - GLuint facing ) +/* + * Render a triangle respecting edge flags. + */ +typedef void (* swsetup_edge_render_prim_tri)(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2); + +/* + * Render a triangle using lines and respecting edge flags. + */ +static void +_swsetup_edge_render_line_tri(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2) { SScontext *swsetup = SWSETUP_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLubyte *ef = VB->EdgeFlag; - SWvertex *verts = swsetup->verts; - SWvertex *v0 = &verts[e0]; - SWvertex *v1 = &verts[e1]; - SWvertex *v2 = &verts[e2]; - GLchan c[2][4]; - GLfloat s[2][4]; - GLfloat i[2]; - - /* cull testing */ - if (ctx->Polygon.CullFlag) { - if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT) - return; - if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK) - return; - } - - _swrast_SetFacing(ctx, facing); - - if (ctx->Light.ShadeModel == GL_FLAT) { - COPY_CHAN4(c[0], v0->color); - COPY_CHAN4(c[1], v1->color); - COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]); - i[0] = v0->attrib[FRAG_ATTRIB_CI][0]; - i[1] = v1->attrib[FRAG_ATTRIB_CI][0]; - - COPY_CHAN4(v0->color, v2->color); - COPY_CHAN4(v1->color, v2->color); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - v0->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0]; - v1->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0]; - } if (swsetup->render_prim == GL_POLYGON) { if (ef[e2]) _swrast_Line( ctx, v2, v0 ); @@ -95,20 +80,37 @@ static void _swsetup_render_line_tri( GLcontext *ctx, if (ef[e1]) _swrast_Line( ctx, v1, v2 ); if (ef[e2]) _swrast_Line( ctx, v2, v0 ); } +} - if (ctx->Light.ShadeModel == GL_FLAT) { - COPY_CHAN4(v0->color, c[0]); - COPY_CHAN4(v1->color, c[1]); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]); - v0->attrib[FRAG_ATTRIB_CI][0] = i[0]; - v1->attrib[FRAG_ATTRIB_CI][0] = i[1]; - } +/* + * Render a triangle using points and respecting edge flags. + */ +static void +_swsetup_edge_render_point_tri(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2) +{ + if (ef[e0]) _swrast_Point( ctx, v0 ); + if (ef[e1]) _swrast_Point( ctx, v1 ); + if (ef[e2]) _swrast_Point( ctx, v2 ); + + _swrast_flush(ctx); } -static void _swsetup_render_point_tri( GLcontext *ctx, - GLuint e0, GLuint e1, GLuint e2, - GLuint facing ) +/* + * Render a triangle respecting cull and shade model. + */ +static void _swsetup_render_tri(struct gl_context *ctx, + GLuint e0, + GLuint e1, + GLuint e2, + GLuint facing, + swsetup_edge_render_prim_tri render) { SScontext *swsetup = SWSETUP_CONTEXT(ctx); struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; @@ -117,9 +119,6 @@ static void _swsetup_render_point_tri( GLcontext *ctx, SWvertex *v0 = &verts[e0]; SWvertex *v1 = &verts[e1]; SWvertex *v2 = &verts[e2]; - GLchan c[2][4]; - GLfloat s[2][4]; - GLfloat i[2]; /* cull testing */ if (ctx->Polygon.CullFlag) { @@ -132,121 +131,74 @@ static void _swsetup_render_point_tri( GLcontext *ctx, _swrast_SetFacing(ctx, facing); if (ctx->Light.ShadeModel == GL_FLAT) { + GLchan c[2][4]; + GLfloat s[2][4]; + /* save colors/indexes for v0, v1 vertices */ COPY_CHAN4(c[0], v0->color); COPY_CHAN4(c[1], v1->color); - COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]); - i[0] = v0->attrib[FRAG_ATTRIB_CI][0]; - i[1] = v1->attrib[FRAG_ATTRIB_CI][0]; + COPY_4V(s[0], v0->attrib[VARYING_SLOT_COL1]); + COPY_4V(s[1], v1->attrib[VARYING_SLOT_COL1]); /* copy v2 color/indexes to v0, v1 indexes */ COPY_CHAN4(v0->color, v2->color); COPY_CHAN4(v1->color, v2->color); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - v0->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0]; - v1->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0]; - } + COPY_4V(v0->attrib[VARYING_SLOT_COL1], v2->attrib[VARYING_SLOT_COL1]); + COPY_4V(v1->attrib[VARYING_SLOT_COL1], v2->attrib[VARYING_SLOT_COL1]); - if (ef[e0]) _swrast_Point( ctx, v0 ); - if (ef[e1]) _swrast_Point( ctx, v1 ); - if (ef[e2]) _swrast_Point( ctx, v2 ); + render(ctx, ef, e0, e1, e2, v0, v1, v2); - if (ctx->Light.ShadeModel == GL_FLAT) { - /* restore v0, v1 colores/indexes */ COPY_CHAN4(v0->color, c[0]); COPY_CHAN4(v1->color, c[1]); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]); - v0->attrib[FRAG_ATTRIB_CI][0] = i[0]; - v1->attrib[FRAG_ATTRIB_CI][0] = i[1]; + COPY_4V(v0->attrib[VARYING_SLOT_COL1], s[0]); + COPY_4V(v1->attrib[VARYING_SLOT_COL1], s[1]); + } + else { + render(ctx, ef, e0, e1, e2, v0, v1, v2); } - _swrast_flush(ctx); } #define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b) -#define SS_SPEC(a,b) UNCLAMPED_FLOAT_TO_RGB_CHAN(a,b) +#define SS_SPEC(a,b) COPY_4V(a,b) #define SS_IND(a,b) (a = b) #define IND (0) -#define TAG(x) x -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT) -#define TAG(x) x##_offset -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT) -#define TAG(x) x##_twoside -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT) -#define TAG(x) x##_offset_twoside -#include "ss_tritmp.h" - -#define IND (SS_UNFILLED_BIT) -#define TAG(x) x##_unfilled -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_twoside_unfilled -#include "ss_tritmp.h" - -#define IND (0|SS_RGBA_BIT) #define TAG(x) x##_rgba #include "ss_tritmp.h" -#define IND (SS_OFFSET_BIT|SS_RGBA_BIT) +#define IND (SS_OFFSET_BIT) #define TAG(x) x##_offset_rgba #include "ss_tritmp.h" -#define IND (SS_TWOSIDE_BIT|SS_RGBA_BIT) +#define IND (SS_TWOSIDE_BIT) #define TAG(x) x##_twoside_rgba #include "ss_tritmp.h" -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_RGBA_BIT) +#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT) #define TAG(x) x##_offset_twoside_rgba #include "ss_tritmp.h" -#define IND (SS_UNFILLED_BIT|SS_RGBA_BIT) +#define IND (SS_UNFILLED_BIT) #define TAG(x) x##_unfilled_rgba #include "ss_tritmp.h" -#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) +#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT) #define TAG(x) x##_offset_unfilled_rgba #include "ss_tritmp.h" -#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) +#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT) #define TAG(x) x##_twoside_unfilled_rgba #include "ss_tritmp.h" -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) +#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT) #define TAG(x) x##_offset_twoside_unfilled_rgba #include "ss_tritmp.h" -void _swsetup_trifuncs_init( GLcontext *ctx ) +void _swsetup_trifuncs_init( struct gl_context *ctx ) { (void) ctx; - init(); - init_offset(); - init_twoside(); - init_offset_twoside(); - init_unfilled(); - init_offset_unfilled(); - init_twoside_unfilled(); - init_offset_twoside_unfilled(); - init_rgba(); init_offset_rgba(); init_twoside_rgba(); @@ -258,7 +210,7 @@ void _swsetup_trifuncs_init( GLcontext *ctx ) } -static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last ) +static void swsetup_points( struct gl_context *ctx, GLuint first, GLuint last ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; @@ -276,7 +228,7 @@ static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last ) } } -static void swsetup_line( GLcontext *ctx, GLuint v0, GLuint v1 ) +static void swsetup_line( struct gl_context *ctx, GLuint v0, GLuint v1 ) { SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; _swrast_Line( ctx, &verts[v0], &verts[v1] ); @@ -284,7 +236,7 @@ static void swsetup_line( GLcontext *ctx, GLuint v0, GLuint v1 ) -void _swsetup_choose_trifuncs( GLcontext *ctx ) +void _swsetup_choose_trifuncs( struct gl_context *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); GLuint ind = 0; @@ -306,9 +258,6 @@ void _swsetup_choose_trifuncs( GLcontext *ctx ) (ctx->Stencil.Enabled && ctx->Stencil._TestTwoSide)) ind |= SS_UNFILLED_BIT; - if (ctx->Visual.rgbMode) - ind |= SS_RGBA_BIT; - tnl->Driver.Render.Triangle = tri_tab[ind]; tnl->Driver.Render.Quad = quad_tab[ind]; tnl->Driver.Render.Line = swsetup_line;