diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_tris.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/intel_tris.c | 219 |
1 files changed, 139 insertions, 80 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c index bbb4e0f3cd..a1121925cb 100644 --- a/src/mesa/drivers/dri/i915/intel_tris.c +++ b/src/mesa/drivers/dri/i915/intel_tris.c @@ -25,6 +25,12 @@ * **************************************************************************/ +/** @file intel_tris.c + * + * This file contains functions for managing the vertex buffer and emitting + * primitives into it. + */ + #include "glheader.h" #include "context.h" #include "macros.h" @@ -47,111 +53,159 @@ #include "intel_reg.h" #include "intel_span.h" #include "intel_tex.h" +#include "intel_chipset.h" +#include "i830_context.h" +#include "i830_reg.h" static void intelRenderPrimitive(GLcontext * ctx, GLenum prim); static void intelRasterPrimitive(GLcontext * ctx, GLenum rprim, GLuint hwprim); -/* - */ -static void -intel_flush_inline_primitive(struct intel_context *intel) +/** Sets the primitive type for a primitive sequence, flushing as needed. */ +void intel_set_prim(struct intel_context *intel, uint32_t prim) { - GLuint used = intel->batch->ptr - intel->prim.start_ptr; + if (prim != intel->prim.primitive) { + INTEL_FIREVERTICES(intel); + intel->prim.primitive = prim; + } +} - assert(intel->prim.primitive != ~0); +/** Returns mapped VB space for the given number of vertices */ +uint32_t *intel_get_prim_space(struct intel_context *intel, unsigned int count) +{ + uint32_t *addr; + + /* Check for space in the existing VB */ + if (intel->prim.vb_bo == NULL || + intel->prim.needs_new_vb || + (intel->prim.current_offset + + count * intel->vertex_size * 4) > INTEL_VB_SIZE || + (intel->prim.count + count) >= (1 << 16)) { + /* Flush existing prim if any */ + INTEL_FIREVERTICES(intel); -/* _mesa_printf("/\n"); */ + /* Start a new VB */ + dri_bo_unreference(intel->prim.vb_bo); + intel->prim.vb_bo = dri_bo_alloc(intel->bufmgr, "vb", + INTEL_VB_SIZE, 4); + intel->prim.start_offset = 0; + intel->prim.current_offset = 0; - if (used < 8) - goto do_discard; + dri_bufmgr_check_aperture_space(intel->prim.vb_bo); - *(int *) intel->prim.start_ptr = (_3DPRIMITIVE | - intel->prim.primitive | (used / 4 - 2)); + intel->prim.needs_new_vb = GL_FALSE; - goto finished; + dri_bo_map(intel->prim.vb_bo, GL_TRUE); + } - do_discard: - intel->batch->ptr -= used; + intel->prim.flush = intel_flush_prim; - finished: - intel->prim.primitive = ~0; - intel->prim.start_ptr = 0; - intel->prim.flush = 0; -} + addr = (uint32_t *)((char *)intel->prim.vb_bo->virtual + + intel->prim.current_offset); + intel->prim.current_offset += intel->vertex_size * 4 * count; + intel->prim.count += count; + return addr; +} -/* Emit a primitive referencing vertices in a vertex buffer. - */ -void -intelStartInlinePrimitive(struct intel_context *intel, - GLuint prim, GLuint batch_flags) +/** Dispatches the accumulated primitive to the batchbuffer. */ +void intel_flush_prim(struct intel_context *intel) { BATCH_LOCALS; + /* Must be called after an intel_start_prim. */ + assert(intel->prim.primitive != ~0); + + if (intel->prim.count == 0) + return; + intel_wait_flips(intel); + dri_bo_unmap(intel->prim.vb_bo); + intel->vtbl.emit_state(intel); + /* Ensure that we don't start a new batch for the following emit, which + * depends on the state just emitted. emit_state should be making sure we + * have the space for this. + */ intel->no_batch_wrap = GL_TRUE; -/* _mesa_printf("%s *", __progname); */ - - /* Emit a slot which will be filled with the inline primitive - * command later. + /* Check that we actually emitted the state into this batch, using the + * UPLOAD_CTX bit as the signal. */ - BEGIN_BATCH(2, batch_flags); - OUT_BATCH(0); - assert((intel->batch->dirty_state & (1<<1)) == 0); - intel->prim.start_ptr = intel->batch->ptr; - intel->prim.primitive = prim; - intel->prim.flush = intel_flush_inline_primitive; +#if 0 + printf("emitting %d..%d=%d vertices size %d\n", intel->prim.start_offset, + intel->prim.current_offset, intel->prim.count, + intel->vertex_size * 4); +#endif - OUT_BATCH(0); - ADVANCE_BATCH(); + if (IS_9XX(intel->intelScreen->deviceID)) { + BEGIN_BATCH(5, LOOP_CLIPRECTS); + OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | + I1_LOAD_S(0) | I1_LOAD_S(1) | 1); + assert((intel->prim.start_offset & !S0_VB_OFFSET_MASK) == 0); + OUT_RELOC(intel->prim.vb_bo, I915_GEM_DOMAIN_VERTEX, 0, + intel->prim.start_offset); + OUT_BATCH((intel->vertex_size << S1_VERTEX_WIDTH_SHIFT) | + (intel->vertex_size << S1_VERTEX_PITCH_SHIFT)); + + OUT_BATCH(_3DPRIMITIVE | + PRIM_INDIRECT | + PRIM_INDIRECT_SEQUENTIAL | + intel->prim.primitive | + intel->prim.count); + OUT_BATCH(0); /* Beginning vertex index */ + ADVANCE_BATCH(); + } else { + struct i830_context *i830 = i830_context(&intel->ctx); + + BEGIN_BATCH(5, LOOP_CLIPRECTS); + OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | + I1_LOAD_S(0) | I1_LOAD_S(2) | 1); + /* S0 */ + assert((intel->prim.start_offset & !S0_VB_OFFSET_MASK_830) == 0); + OUT_RELOC(intel->prim.vb_bo, I915_GEM_DOMAIN_VERTEX, 0, + intel->prim.start_offset | + (intel->vertex_size << S0_VB_PITCH_SHIFT_830) | + S0_VB_ENABLE_830); + /* S1 + * This is somewhat unfortunate -- VB width is tied up with + * vertex format data that we've already uploaded through + * _3DSTATE_VFT[01]_CMD. We may want to replace emits of VFT state with + * STATE_IMMEDIATE_1 like this to avoid duplication. + */ + OUT_BATCH((i830->state.Ctx[I830_CTXREG_VF] & VFT0_TEX_COUNT_MASK) >> + VFT0_TEX_COUNT_SHIFT << S2_TEX_COUNT_SHIFT_830 | + (i830->state.Ctx[I830_CTXREG_VF2] << 16) | + intel->vertex_size << S2_VERTEX_0_WIDTH_SHIFT_830); + + OUT_BATCH(_3DPRIMITIVE | + PRIM_INDIRECT | + PRIM_INDIRECT_SEQUENTIAL | + intel->prim.primitive | + intel->prim.count); + OUT_BATCH(0); /* Beginning vertex index */ + ADVANCE_BATCH(); + } intel->no_batch_wrap = GL_FALSE; -/* _mesa_printf(">"); */ -} - - -void -intelWrapInlinePrimitive(struct intel_context *intel) -{ - GLuint prim = intel->prim.primitive; - enum cliprect_mode cliprect_mode = intel->batch->cliprect_mode; - - intel_flush_inline_primitive(intel); - intel_batchbuffer_flush(intel->batch); - intelStartInlinePrimitive(intel, prim, cliprect_mode); /* ??? */ -} - -GLuint * -intelExtendInlinePrimitive(struct intel_context *intel, GLuint dwords) -{ - GLuint sz = dwords * sizeof(GLuint); - GLuint *ptr; - - assert(intel->prim.flush == intel_flush_inline_primitive); - - if (intel_batchbuffer_space(intel->batch) < sz) - intelWrapInlinePrimitive(intel); - -/* _mesa_printf("."); */ - - intel->vtbl.assert_not_dirty(intel); - - ptr = (GLuint *) intel->batch->ptr; - intel->batch->ptr += sz; - - return ptr; + /* If we're going to keep using this VB for more primitives, map it + * again. + */ + if (!intel->prim.needs_new_vb) + dri_bo_map(intel->prim.vb_bo, GL_TRUE); + + intel->prim.flush = NULL; + intel->prim.start_offset = intel->prim.current_offset; + if (!IS_9XX(intel->intelScreen->deviceID)) + intel->prim.start_offset = ALIGN(intel->prim.start_offset, 128); + intel->prim.count = 0; } - - /*********************************************************************** * Emit primitives as inline vertices * ***********************************************************************/ @@ -182,7 +236,7 @@ intel_draw_quad(struct intel_context *intel, intelVertexPtr v1, intelVertexPtr v2, intelVertexPtr v3) { GLuint vertsize = intel->vertex_size; - GLuint *vb = intelExtendInlinePrimitive(intel, 6 * vertsize); + GLuint *vb = intel_get_prim_space(intel, 6); int j; COPY_DWORDS(j, vb, vertsize, v0); @@ -210,7 +264,7 @@ intel_draw_triangle(struct intel_context *intel, intelVertexPtr v0, intelVertexPtr v1, intelVertexPtr v2) { GLuint vertsize = intel->vertex_size; - GLuint *vb = intelExtendInlinePrimitive(intel, 3 * vertsize); + GLuint *vb = intel_get_prim_space(intel, 3); int j; COPY_DWORDS(j, vb, vertsize, v0); @@ -224,7 +278,7 @@ intel_draw_line(struct intel_context *intel, intelVertexPtr v0, intelVertexPtr v1) { GLuint vertsize = intel->vertex_size; - GLuint *vb = intelExtendInlinePrimitive(intel, 2 * vertsize); + GLuint *vb = intel_get_prim_space(intel, 2); int j; COPY_DWORDS(j, vb, vertsize, v0); @@ -236,7 +290,7 @@ static void intel_draw_point(struct intel_context *intel, intelVertexPtr v0) { GLuint vertsize = intel->vertex_size; - GLuint *vb = intelExtendInlinePrimitive(intel, vertsize); + GLuint *vb = intel_get_prim_space(intel, 1); int j; /* Adjust for sub pixel position -- still required for conform. */ @@ -745,7 +799,7 @@ intelFastRenderClippedPoly(GLcontext * ctx, const GLuint * elts, GLuint n) { struct intel_context *intel = intel_context(ctx); const GLuint vertsize = intel->vertex_size; - GLuint *vb = intelExtendInlinePrimitive(intel, (n - 2) * 3 * vertsize); + GLuint *vb = intel_get_prim_space(intel, (n - 2) * 3); GLubyte *vertptr = (GLubyte *) intel->verts; const GLuint *start = (const GLuint *) V(elts[0]); int i, j; @@ -950,7 +1004,7 @@ intelRasterPrimitive(GLcontext * ctx, GLenum rprim, GLuint hwprim) if (hwprim != intel->prim.primitive) { INTEL_FIREVERTICES(intel); - intelStartInlinePrimitive(intel, hwprim, LOOP_CLIPRECTS); + intel_set_prim(intel, hwprim); } } @@ -1083,15 +1137,18 @@ intel_meta_draw_poly(struct intel_context *intel, union fi *vb; GLint i; GLboolean was_locked = intel->locked; + unsigned int saved_vertex_size = intel->vertex_size; if (!was_locked) LOCK_HARDWARE(intel); + intel->vertex_size = 6; + /* All 3d primitives should be emitted with LOOP_CLIPRECTS, * otherwise the drawing origin (DR4) might not be set correctly. */ - intelStartInlinePrimitive(intel, PRIM3D_TRIFAN, LOOP_CLIPRECTS); - vb = (union fi *) intelExtendInlinePrimitive(intel, n * 6); + intel_set_prim(intel, PRIM3D_TRIFAN); + vb = (union fi *) intel_get_prim_space(intel, n); for (i = 0; i < n; i++) { vb[0].f = xy[i][0]; @@ -1105,6 +1162,8 @@ intel_meta_draw_poly(struct intel_context *intel, INTEL_FIREVERTICES(intel); + intel->vertex_size = saved_vertex_size; + if (!was_locked) UNLOCK_HARDWARE(intel); } |