diff options
Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_dmatmp.h')
-rw-r--r-- | src/mesa/drivers/dri/unichrome/via_dmatmp.h | 526 |
1 files changed, 0 insertions, 526 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_dmatmp.h b/src/mesa/drivers/dri/unichrome/via_dmatmp.h deleted file mode 100644 index 12b759574b..0000000000 --- a/src/mesa/drivers/dri/unichrome/via_dmatmp.h +++ /dev/null @@ -1,526 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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. - */ - -/* Template for render stages which build and emit vertices directly - * to fixed-size dma buffers. Useful for rendering strips and other - * native primitives where clipping and per-vertex tweaks such as - * those in t_dd_tritmp.h are not required. - * - * Produces code for both inline triangles and indexed triangles. - * Where various primitive types are unaccelerated by hardware, the - * code attempts to fallback to other primitive types (quadstrips to - * tristrips, lineloops to linestrips), or to indexed vertices. - * Ultimately, a FALLBACK() macro is invoked if there is no way to - * render the primitive natively. - */ - -#if !defined(HAVE_TRIANGLES) -#error "must have at least triangles to use render template" -#endif - -#if !HAVE_ELTS -#define ELTS_VARS -#define ALLOC_ELTS(nr) -#define EMIT_ELT(offset, elt) -#define EMIT_TWO_ELTS(offset, elt0, elt1) -#define INCR_ELTS(nr) -#define ELT_INIT(prim) -#define GET_CURRENT_VB_MAX_ELTS() 0 -#define GET_SUBSEQUENT_VB_MAX_ELTS() 0 -#define ALLOC_ELTS_NEW_PRIMITIVE(nr) -#define RELEASE_ELT_VERTS() -#define EMIT_INDEXED_VERTS(ctx, start, count) -#endif - -#ifndef EMIT_TWO_ELTS -#define EMIT_TWO_ELTS(offset, elt0, elt1) \ - do { \ - EMIT_ELT(offset, elt0); \ - EMIT_ELT(offset + 1, elt1); \ - } while (0) -#endif - -#ifndef FINISH -#define FINISH -#endif - -/*********************************************************************** - * Render non-indexed primitives. - ***********************************************************************/ - -static void TAG(render_points_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_POINTS) { - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - GLuint j, nr; - - INIT(GL_POINTS); - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j < count; j += nr) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - -static void TAG(render_lines_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_LINES) { - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - GLuint j, nr; - - INIT(GL_LINES); - - /* Emit whole number of lines in total and in each buffer: - */ - count -= (count - start) & 1; - currentsz -= currentsz & 1; - dmasz -= dmasz & 1; - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j < count; j += nr) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - - -static void TAG(render_line_strip_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_LINE_STRIPS) { - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - GLuint j, nr; - - INIT(GL_LINE_STRIP); - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j + 1 < count; j += nr - 1) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - - -static void TAG(render_line_loop_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_LINE_STRIPS) { - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - GLuint j, nr; - - INIT(GL_LINE_STRIP); - - if (flags & PRIM_BEGIN) - j = start; - else - j = start + 1; - - /* Ensure last vertex won't wrap buffers: - */ - currentsz--; - dmasz--; - - if (currentsz < 8) - currentsz = dmasz; - - for (; j + 1 < count; j += nr - 1) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - if (start < count - 1 && (flags & PRIM_END)) - EMIT_VERTS(ctx, start, 1); - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - - -static void TAG(render_triangles_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - LOCAL_VARS; - int dmasz = (GET_SUBSEQUENT_VB_MAX_VERTS() / 3) * 3; - int currentsz = (GET_CURRENT_VB_MAX_VERTS() / 3) * 3; - GLuint j, nr; - if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__); - INIT(GL_TRIANGLES); - - /* Emit whole number of tris in total. dmasz is already a multiple - * of 3. - */ - count -= (count - start) % 3; - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j < count; j += nr) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - FINISH; - if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__); -} - - -static void TAG(render_tri_strip_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_TRI_STRIPS) { - LOCAL_VARS; - GLuint j, nr; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - - INIT(GL_TRIANGLE_STRIP); - - if (currentsz < 8) { - NEW_BUFFER(); - currentsz = dmasz; - } - - /* From here on emit even numbers of tris when wrapping over buffers: - */ - dmasz -= (dmasz & 1); - currentsz -= (currentsz & 1); - - for (j = start; j + 2 < count; j += nr - 2) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - -static void TAG(render_tri_fan_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__); - if (HAVE_TRI_FANS) { - LOCAL_VARS; - GLuint j, nr; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - - INIT(GL_TRIANGLE_FAN); - - if (currentsz < 8) { - NEW_BUFFER(); - currentsz = dmasz; - } - - for (j = start + 1; j + 1 < count; j += nr - 1) { - nr = MIN2(currentsz, count - j + 1); - EMIT_VERTS(ctx, start, 1); - EMIT_VERTS(ctx, j, nr - 1); - currentsz = dmasz; - } - - FINISH; - } - else { - /* Could write code to emit these as indexed vertices (for the - * g400, for instance). - */ - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__); -} - - -static void TAG(render_poly_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_POLYGONS) { - LOCAL_VARS; - GLuint j, nr; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - - INIT(GL_POLYGON); - - if (currentsz < 8) { - NEW_BUFFER(); - currentsz = dmasz; - } - - for (j = start + 1; j + 1 < count; j += nr - 1) { - nr = MIN2(currentsz, count - j + 1); - EMIT_VERTS(ctx, start, 1); - EMIT_VERTS(ctx, j, nr - 1); - currentsz = dmasz; - } - - FINISH; - } - else if (HAVE_TRI_FANS && !(ctx->_TriangleCaps & DD_FLATSHADE)) { - TAG(render_tri_fan_verts)(ctx, start, count, flags); - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - -static void TAG(render_quad_strip_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - GLuint j, nr; - if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); - if (HAVE_QUAD_STRIPS) { - LOCAL_VARS; - GLuint j, nr; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz; - - INIT(GL_QUAD_STRIP); - - currentsz = GET_CURRENT_VB_MAX_VERTS(); - - if (currentsz < 8) { - NEW_BUFFER(); - currentsz = dmasz; - } - - dmasz -= (dmasz & 2); - currentsz -= (currentsz & 2); - - for (j = start; j + 3 < count; j += nr - 2) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else if (HAVE_TRI_STRIPS) { - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz = GET_CURRENT_VB_MAX_VERTS(); - - /* Emit smooth-shaded quadstrips as tristrips: - */ - INIT(GL_TRIANGLE_STRIP); - - /* Emit whole number of quads in total, and in each buffer. - */ - dmasz -= dmasz & 1; - currentsz -= currentsz & 1; - count -= (count - start) & 1; - - if (currentsz < 8) { - NEW_BUFFER(); - currentsz = dmasz; - } - - for (j = start; j + 3 < count; j += nr - 2) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - - FINISH; - } - else { - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); -} - - -static void TAG(render_quads_verts)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ - if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__); - if (HAVE_QUADS) { - LOCAL_VARS; - int dmasz = (GET_SUBSEQUENT_VB_MAX_VERTS() / 4) * 4; - int currentsz = (GET_CURRENT_VB_MAX_VERTS() / 4) * 4; - GLuint j, nr; - - INIT(GL_QUADS); - - /* Emit whole number of quads in total. dmasz is already a multiple - * of 4. - */ - count -= (count - start) % 4; - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j < count; j += nr) { - nr = MIN2(currentsz, count - j); - EMIT_VERTS(ctx, j, nr); - currentsz = dmasz; - } - FINISH; - } - else if (HAVE_TRIANGLES) { - /* Hardware doesn't have a quad primitive type -- try to - * simulate it using triangle primitive. - */ - LOCAL_VARS; - int dmasz = GET_SUBSEQUENT_VB_MAX_VERTS(); - int currentsz; - GLuint j; - - INIT(GL_TRIANGLES); - - currentsz = GET_CURRENT_VB_MAX_VERTS(); - - /* Emit whole number of quads in total, and in each buffer. - */ - dmasz -= dmasz & 3; - count -= (count - start) & 3; - currentsz -= currentsz & 3; - - /* Adjust for rendering as triangles: - */ - currentsz = currentsz / 6 * 4; - dmasz = dmasz / 6 * 4; - - if (currentsz < 8) - currentsz = dmasz; - - for (j = start; j < count; j += 4) { - /* Send v0, v1, v3 - */ - EMIT_VERTS(ctx, j, 2); - EMIT_VERTS(ctx, j + 3, 1); - /* Send v1, v2, v3 - */ - EMIT_VERTS(ctx, j + 1, 3); - } - FINISH; - } - else { - /* Vertices won't fit in a single buffer, fallback. - */ - VERT_FALLBACK(ctx, start, count, flags); - } - if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__); -} - -static void TAG(render_noop)(GLcontext *ctx, - GLuint start, - GLuint count, - GLuint flags) -{ -} - - -static tnl_render_func TAG(render_tab_verts)[GL_POLYGON + 2] = -{ - TAG(render_points_verts), - TAG(render_lines_verts), - TAG(render_line_loop_verts), - TAG(render_line_strip_verts), - TAG(render_triangles_verts), - TAG(render_tri_strip_verts), - TAG(render_tri_fan_verts), - TAG(render_quads_verts), - TAG(render_quad_strip_verts), - TAG(render_poly_verts), - TAG(render_noop), -}; - |