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authorZack Rusin <[email protected]>2009-12-14 17:11:46 -0500
committerZack Rusin <[email protected]>2009-12-25 05:52:16 -0500
commit89d8577fb3036547ef0b47498cc8dc5c77f886e0 (patch)
tree9356cc45b0cdaad4f979b0d328ad0562686a66e8 /src
parent57cce7a409724a261c6dae6c979496a630167742 (diff)
gallium: add geometry shader support to gallium
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/cso_cache/cso_context.c40
-rw-r--r--src/gallium/auxiliary/cso_cache/cso_context.h7
-rw-r--r--src/gallium/auxiliary/draw/Makefile1
-rw-r--r--src/gallium/auxiliary/draw/SConscript3
-rw-r--r--src/gallium/auxiliary/draw/draw_context.c77
-rw-r--r--src/gallium/auxiliary/draw/draw_context.h19
-rw-r--r--src/gallium/auxiliary/draw/draw_gs.c338
-rw-r--r--src/gallium/auxiliary/draw/draw_gs.h76
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_aaline.c12
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_aapoint.c12
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_clip.c4
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_cull.c2
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_offset.c2
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_stipple.c5
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_wide_line.c2
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_wide_point.c14
-rw-r--r--src/gallium/auxiliary/draw/draw_private.h32
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c50
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_post_vs.c4
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_util.c16
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h4
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_varient.c5
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_dump.c4
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c45
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h15
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_text.c4
-rw-r--r--src/gallium/drivers/cell/ppu/cell_draw_arrays.c2
-rw-r--r--src/gallium/drivers/cell/ppu/cell_state_derived.c8
-rw-r--r--src/gallium/drivers/cell/ppu/cell_state_emit.c2
-rw-r--r--src/gallium/drivers/i915/i915_context.c2
-rw-r--r--src/gallium/drivers/i915/i915_state_derived.c10
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_derived.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c3
-rw-r--r--src/gallium/drivers/nv04/nv04_vbo.c2
-rw-r--r--src/gallium/drivers/nv10/nv10_vbo.c1
-rw-r--r--src/gallium/drivers/nv20/nv20_state_emit.c16
-rw-r--r--src/gallium/drivers/nv20/nv20_vbo.c2
-rw-r--r--src/gallium/drivers/nv40/nv40_draw.c5
-rw-r--r--src/gallium/drivers/softpipe/sp_context.c4
-rw-r--r--src/gallium/drivers/softpipe/sp_context.h1
-rw-r--r--src/gallium/drivers/softpipe/sp_draw_arrays.c23
-rw-r--r--src/gallium/drivers/softpipe/sp_screen.c2
-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c2
-rw-r--r--src/gallium/drivers/softpipe/sp_state.h10
-rw-r--r--src/gallium/drivers/softpipe/sp_state_derived.c10
-rw-r--r--src/gallium/drivers/softpipe/sp_state_fs.c59
-rw-r--r--src/gallium/drivers/svga/svga_swtnl_draw.c2
-rw-r--r--src/gallium/include/pipe/p_context.h6
-rw-r--r--src/gallium/include/pipe/p_defines.h30
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h22
-rw-r--r--src/gallium/state_trackers/python/p_context.i19
-rw-r--r--src/gallium/state_trackers/python/samples/gs.py254
-rw-r--r--src/gallium/state_trackers/python/st_device.h1
-rw-r--r--src/mesa/state_tracker/st_draw_feedback.c3
54 files changed, 1159 insertions, 137 deletions
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 80bd0c91db0..2b16332e143 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -42,6 +42,7 @@
#include "cso_cache/cso_context.h"
#include "cso_cache/cso_cache.h"
#include "cso_cache/cso_hash.h"
+#include "cso_context.h"
struct cso_context {
struct pipe_context *pipe;
@@ -85,8 +86,8 @@ struct cso_context {
void *blend, *blend_saved;
void *depth_stencil, *depth_stencil_saved;
void *rasterizer, *rasterizer_saved;
- void *fragment_shader, *fragment_shader_saved;
- void *vertex_shader, *vertex_shader_saved;
+ void *fragment_shader, *fragment_shader_saved, *geometry_shader;
+ void *vertex_shader, *vertex_shader_saved, *geometry_shader_saved;
struct pipe_framebuffer_state fb, fb_saved;
struct pipe_viewport_state vp, vp_saved;
@@ -1027,3 +1028,38 @@ enum pipe_error cso_set_blend_color(struct cso_context *ctx,
}
return PIPE_OK;
}
+
+enum pipe_error cso_set_geometry_shader_handle(struct cso_context *ctx,
+ void *handle)
+{
+ if (ctx->geometry_shader != handle) {
+ ctx->geometry_shader = handle;
+ ctx->pipe->bind_gs_state(ctx->pipe, handle);
+ }
+ return PIPE_OK;
+}
+
+void cso_delete_geometry_shader(struct cso_context *ctx, void *handle)
+{
+ if (handle == ctx->geometry_shader) {
+ /* unbind before deleting */
+ ctx->pipe->bind_gs_state(ctx->pipe, NULL);
+ ctx->geometry_shader = NULL;
+ }
+ ctx->pipe->delete_gs_state(ctx->pipe, handle);
+}
+
+void cso_save_geometry_shader(struct cso_context *ctx)
+{
+ assert(!ctx->geometry_shader_saved);
+ ctx->geometry_shader_saved = ctx->geometry_shader;
+}
+
+void cso_restore_geometry_shader(struct cso_context *ctx)
+{
+ if (ctx->geometry_shader_saved != ctx->geometry_shader) {
+ ctx->pipe->bind_gs_state(ctx->pipe, ctx->geometry_shader_saved);
+ ctx->geometry_shader = ctx->geometry_shader_saved;
+ }
+ ctx->geometry_shader_saved = NULL;
+}
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.h b/src/gallium/auxiliary/cso_cache/cso_context.h
index e5b92177cfd..b9e313e32d6 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.h
+++ b/src/gallium/auxiliary/cso_cache/cso_context.h
@@ -146,6 +146,13 @@ void cso_save_vertex_shader(struct cso_context *cso);
void cso_restore_vertex_shader(struct cso_context *cso);
+enum pipe_error cso_set_geometry_shader_handle(struct cso_context *ctx,
+ void *handle);
+void cso_delete_geometry_shader(struct cso_context *ctx, void *handle);
+void cso_save_geometry_shader(struct cso_context *cso);
+void cso_restore_geometry_shader(struct cso_context *cso);
+
+
enum pipe_error cso_set_framebuffer(struct cso_context *cso,
const struct pipe_framebuffer_state *fb);
diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile
index 5041dcc072b..248167465fe 100644
--- a/src/gallium/auxiliary/draw/Makefile
+++ b/src/gallium/auxiliary/draw/Makefile
@@ -5,6 +5,7 @@ LIBNAME = draw
C_SOURCES = \
draw_context.c \
+ draw_gs.c \
draw_pipe.c \
draw_pipe_aaline.c \
draw_pipe_aapoint.c \
diff --git a/src/gallium/auxiliary/draw/SConscript b/src/gallium/auxiliary/draw/SConscript
index 5f05aa324a5..a022c145e90 100644
--- a/src/gallium/auxiliary/draw/SConscript
+++ b/src/gallium/auxiliary/draw/SConscript
@@ -40,7 +40,8 @@ draw = env.ConvenienceLibrary(
'draw_vs_llvm.c',
'draw_vs_ppc.c',
'draw_vs_sse.c',
- 'draw_vs_varient.c'
+ 'draw_vs_varient.c',
+ 'draw_gs.c'
])
auxiliaries.insert(0, draw)
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index cc5f7f01059..667aa46b208 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -36,6 +36,7 @@
#include "draw_context.h"
#include "draw_vbuf.h"
#include "draw_vs.h"
+#include "draw_gs.h"
#include "draw_pt.h"
#include "draw_pipe.h"
@@ -67,6 +68,9 @@ struct draw_context *draw_create( void )
if (!draw_vs_init( draw ))
goto fail;
+ if (!draw_gs_init( draw ))
+ goto fail;
+
return draw;
fail:
@@ -231,11 +235,19 @@ draw_set_mapped_vertex_buffer(struct draw_context *draw,
void
draw_set_mapped_constant_buffer(struct draw_context *draw,
- const void *buffer,
+ unsigned shader_type,
+ const void *buffer,
unsigned size )
{
- draw->pt.user.constants = buffer;
- draw_vs_set_constants( draw, (const float (*)[4])buffer, size );
+ debug_assert(shader_type == PIPE_SHADER_VERTEX ||
+ shader_type == PIPE_SHADER_GEOMETRY);
+ if (shader_type == PIPE_SHADER_VERTEX) {
+ draw->pt.user.vs_constants = buffer;
+ draw_vs_set_constants( draw, (const float (*)[4])buffer, size );
+ } else if (shader_type == PIPE_SHADER_GEOMETRY) {
+ draw->pt.user.gs_constants = buffer;
+ draw_gs_set_constants( draw, (const float (*)[4])buffer, size );
+ }
}
@@ -298,7 +310,7 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable )
* a post-transformed vertex.
*
* With this function, drivers that use the draw module should have no reason
- * to track the current vertex shader.
+ * to track the current vertex/geometry shader.
*
* Note that the draw module may sometimes generate vertices with extra
* attributes (such as texcoords for AA lines). The driver can call this
@@ -309,43 +321,59 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable )
* work for the drivers.
*/
int
-draw_find_vs_output(const struct draw_context *draw,
- uint semantic_name, uint semantic_index)
+draw_find_shader_output(const struct draw_context *draw,
+ uint semantic_name, uint semantic_index)
{
const struct draw_vertex_shader *vs = draw->vs.vertex_shader;
+ const struct draw_geometry_shader *gs = draw->gs.geometry_shader;
uint i;
- for (i = 0; i < vs->info.num_outputs; i++) {
- if (vs->info.output_semantic_name[i] == semantic_name &&
- vs->info.output_semantic_index[i] == semantic_index)
+ const struct tgsi_shader_info *info = &vs->info;
+
+ if (gs)
+ info = &gs->info;
+
+ for (i = 0; i < info->num_outputs; i++) {
+ if (info->output_semantic_name[i] == semantic_name &&
+ info->output_semantic_index[i] == semantic_index)
return i;
}
/* XXX there may be more than one extra vertex attrib.
* For example, simulated gl_FragCoord and gl_PointCoord.
*/
- if (draw->extra_vp_outputs.semantic_name == semantic_name &&
- draw->extra_vp_outputs.semantic_index == semantic_index) {
- return draw->extra_vp_outputs.slot;
+ if (draw->extra_shader_outputs.semantic_name == semantic_name &&
+ draw->extra_shader_outputs.semantic_index == semantic_index) {
+ return draw->extra_shader_outputs.slot;
}
+
return 0;
}
/**
- * Return number of vertex shader outputs.
+ * Return number of the shader outputs.
+ *
+ * If geometry shader is present, its output will be returned,
+ * if not vertex shader is used.
*/
uint
-draw_num_vs_outputs(const struct draw_context *draw)
+draw_num_shader_outputs(const struct draw_context *draw)
{
uint count = draw->vs.vertex_shader->info.num_outputs;
- if (draw->extra_vp_outputs.slot > 0)
+
+ /* if geometry shader is present, its outputs go to te
+ * driver, not the vertex shaders */
+ if (draw->gs.geometry_shader)
+ count = draw->gs.geometry_shader->info.num_outputs;
+
+ if (draw->extra_shader_outputs.slot > 0)
count++;
return count;
}
/**
- * Provide TGSI sampler objects for vertex shaders that use texture fetches.
+ * Provide TGSI sampler objects for vertex/geometry shaders that use texture fetches.
* This might only be used by software drivers for the time being.
*/
void
@@ -355,6 +383,8 @@ draw_texture_samplers(struct draw_context *draw,
{
draw->vs.num_samplers = num_samplers;
draw->vs.samplers = samplers;
+ draw->gs.num_samplers = num_samplers;
+ draw->gs.samplers = samplers;
}
@@ -421,3 +451,18 @@ void draw_do_flush( struct draw_context *draw, unsigned flags )
draw->flushing = FALSE;
}
}
+
+
+int draw_current_shader_outputs(struct draw_context *draw)
+{
+ if (draw->gs.geometry_shader)
+ return draw->gs.num_gs_outputs;
+ return draw->vs.num_vs_outputs;
+}
+
+int draw_current_shader_position_output(struct draw_context *draw)
+{
+ if (draw->gs.geometry_shader)
+ return draw->gs.position_output;
+ return draw->vs.position_output;
+}
diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h
index 465b8f10c6c..b716209df29 100644
--- a/src/gallium/auxiliary/draw/draw_context.h
+++ b/src/gallium/auxiliary/draw/draw_context.h
@@ -45,6 +45,7 @@ struct pipe_context;
struct draw_context;
struct draw_stage;
struct draw_vertex_shader;
+struct draw_geometry_shader;
struct tgsi_sampler;
@@ -85,11 +86,11 @@ draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe
int
-draw_find_vs_output(const struct draw_context *draw,
- uint semantic_name, uint semantic_index);
+draw_find_shader_output(const struct draw_context *draw,
+ uint semantic_name, uint semantic_index);
uint
-draw_num_vs_outputs(const struct draw_context *draw);
+draw_num_shader_outputs(const struct draw_context *draw);
void
@@ -112,6 +113,17 @@ void draw_delete_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs);
+/*
+ * Geometry shader functions
+ */
+struct draw_geometry_shader *
+draw_create_geometry_shader(struct draw_context *draw,
+ const struct pipe_shader_state *shader);
+void draw_bind_geometry_shader(struct draw_context *draw,
+ struct draw_geometry_shader *dvs);
+void draw_delete_geometry_shader(struct draw_context *draw,
+ struct draw_geometry_shader *dvs);
+
/*
* Vertex data functions
@@ -140,6 +152,7 @@ void draw_set_mapped_vertex_buffer(struct draw_context *draw,
unsigned attr, const void *buffer);
void draw_set_mapped_constant_buffer(struct draw_context *draw,
+ unsigned shader_type,
const void *buffer,
unsigned size );
diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
new file mode 100644
index 00000000000..11542286ddb
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -0,0 +1,338 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMWare 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 TUNGSTEN 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.
+ *
+ **************************************************************************/
+
+#include "draw_gs.h"
+
+#include "draw_private.h"
+#include "draw_context.h"
+
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_exec.h"
+
+#include "pipe/p_shader_tokens.h"
+
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#define MAX_PRIM_VERTICES 6
+/* fixme: move it from here */
+#define MAX_PRIMITIVES 64
+
+boolean
+draw_gs_init( struct draw_context *draw )
+{
+ draw->gs.machine = tgsi_exec_machine_create();
+ if (!draw->gs.machine)
+ return FALSE;
+
+ draw->gs.machine->Primitives = align_malloc(
+ MAX_PRIMITIVES * sizeof(struct tgsi_exec_vector), 16);
+ if (!draw->gs.machine->Primitives)
+ return FALSE;
+ memset(draw->gs.machine->Primitives, 0,
+ MAX_PRIMITIVES * sizeof(struct tgsi_exec_vector));
+
+ return TRUE;
+}
+
+
+void draw_gs_set_constants( struct draw_context *draw,
+ const float (*constants)[4],
+ unsigned size )
+{
+}
+
+
+struct draw_geometry_shader *
+draw_create_geometry_shader(struct draw_context *draw,
+ const struct pipe_shader_state *state)
+{
+ struct draw_geometry_shader *gs;
+ int i;
+
+ gs = CALLOC_STRUCT(draw_geometry_shader);
+
+ if (!gs)
+ return NULL;
+
+ gs->state = *state;
+ gs->state.tokens = tgsi_dup_tokens(state->tokens);
+ if (!gs->state.tokens) {
+ FREE(gs);
+ return NULL;
+ }
+
+ tgsi_scan_shader(state->tokens, &gs->info);
+
+ /* setup the defaults */
+ gs->input_primitive = PIPE_PRIM_TRIANGLES;
+ gs->output_primitive = PIPE_PRIM_TRIANGLE_STRIP;
+ gs->max_output_vertices = 32;
+
+ for (i = 0; i < gs->info.num_properties; ++i) {
+ if (gs->info.properties[i].name ==
+ TGSI_PROPERTY_GS_INPUT_PRIM)
+ gs->input_primitive = gs->info.properties[i].data[0];
+ else if (gs->info.properties[i].name ==
+ TGSI_PROPERTY_GS_OUTPUT_PRIM)
+ gs->output_primitive = gs->info.properties[i].data[0];
+ else if (gs->info.properties[i].name ==
+ TGSI_PROPERTY_GS_MAX_VERTICES)
+ gs->max_output_vertices = gs->info.properties[i].data[0];
+ }
+
+ gs->machine = draw->gs.machine;
+
+ if (gs)
+ {
+ uint i;
+ for (i = 0; i < gs->info.num_outputs; i++) {
+ if (gs->info.output_semantic_name[i] == TGSI_SEMANTIC_POSITION &&
+ gs->info.output_semantic_index[i] == 0)
+ gs->position_output = i;
+ }
+ }
+
+ return gs;
+}
+
+void draw_bind_geometry_shader(struct draw_context *draw,
+ struct draw_geometry_shader *dgs)
+{
+ draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
+
+ if (dgs) {
+ draw->gs.geometry_shader = dgs;
+ draw->gs.num_gs_outputs = dgs->info.num_outputs;
+ draw->gs.position_output = dgs->position_output;
+ draw_geometry_shader_prepare(dgs, draw);
+ }
+ else {
+ draw->gs.geometry_shader = NULL;
+ draw->gs.num_gs_outputs = 0;
+ }
+}
+
+void draw_delete_geometry_shader(struct draw_context *draw,
+ struct draw_geometry_shader *dgs)
+{
+ FREE(dgs);
+}
+
+static INLINE int num_vertices_for_prim(int prim)
+{
+ switch(prim) {
+ case PIPE_PRIM_POINTS:
+ return 1;
+ case PIPE_PRIM_LINES:
+ return 2;
+ case PIPE_PRIM_LINE_LOOP:
+ return 2;
+ case PIPE_PRIM_LINE_STRIP:
+ return 2;
+ case PIPE_PRIM_TRIANGLES:
+ return 3;
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ return 3;
+ case PIPE_PRIM_TRIANGLE_FAN:
+ return 3;
+ case PIPE_PRIM_LINES_ADJACENCY:
+ case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+ return 4;
+ case PIPE_PRIM_TRIANGLES_ADJACENCY:
+ case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+ return 6;
+ default:
+ assert(!"Bad geometry shader input");
+ return 0;
+ }
+}
+
+static void draw_fetch_geometry_input(struct draw_geometry_shader *shader,
+ int start_primitive,
+ int num_primitives,
+ const float (*input_ptr)[4],
+ unsigned input_vertex_stride,
+ unsigned inputs_from_vs)
+{
+ struct tgsi_exec_machine *machine = shader->machine;
+ unsigned slot, vs_slot, k, j;
+ unsigned num_vertices = num_vertices_for_prim(shader->input_primitive);
+ int idx = 0;
+
+ for (slot = 0, vs_slot = 0; slot < shader->info.num_inputs; slot++) {
+ debug_printf("Slot = %d (semantic = %d)\n", slot,
+ shader->info.input_semantic_name[slot]);
+ if (shader->info.input_semantic_name[slot] ==
+ TGSI_SEMANTIC_VERTICES) {
+ for (j = 0; j < num_primitives; ++j) {
+ machine->Inputs[idx].xyzw[0].f[j] = (float)num_vertices;
+ machine->Inputs[idx].xyzw[1].f[j] = (float)num_vertices;
+ machine->Inputs[idx].xyzw[2].f[j] = (float)num_vertices;
+ machine->Inputs[idx].xyzw[3].f[j] = (float)num_vertices;
+ }
+ ++idx;
+ } else {
+ for (j = 0; j < num_primitives; ++j) {
+ int vidx = idx;
+ const float (*prim_ptr)[4];
+ debug_printf(" %d) Prim (num_verts = %d)\n", start_primitive + j,
+ num_vertices);
+ prim_ptr = (const float (*)[4])(
+ (const char *)input_ptr +
+ (j * num_vertices * input_vertex_stride));
+
+ for (k = 0; k < num_vertices; ++k, ++vidx) {
+ const float (*input)[4];
+ input = (const float (*)[4])(
+ (const char *)prim_ptr + (k * input_vertex_stride));
+ debug_printf("\t%d)(%d) Input vert:\n", vidx, k);
+#if 1
+ assert(!util_is_inf_or_nan(input[vs_slot][0]));
+ assert(!util_is_inf_or_nan(input[vs_slot][1]));
+ assert(!util_is_inf_or_nan(input[vs_slot][2]));
+ assert(!util_is_inf_or_nan(input[vs_slot][3]));
+#endif
+ machine->Inputs[vidx].xyzw[0].f[j] = input[vs_slot][0];
+ machine->Inputs[vidx].xyzw[1].f[j] = input[vs_slot][1];
+ machine->Inputs[vidx].xyzw[2].f[j] = input[vs_slot][2];
+ machine->Inputs[vidx].xyzw[3].f[j] = input[vs_slot][3];
+#if 0
+ debug_printf("\t\t%d %f %f %f %f\n", slot,
+ machine->Inputs[vidx].xyzw[0].f[j],
+ machine->Inputs[vidx].xyzw[1].f[j],
+ machine->Inputs[vidx].xyzw[2].f[j],
+ machine->Inputs[vidx].xyzw[3].f[j]);
+#endif
+ }
+ }
+ ++vs_slot;
+ idx += num_vertices;
+ }
+ }
+}
+
+static INLINE void
+draw_geometry_fetch_outputs(struct draw_geometry_shader *shader,
+ int num_primitives,
+ float (*output)[4],
+ unsigned vertex_size)
+{
+ struct tgsi_exec_machine *machine = shader->machine;
+ unsigned prim_idx, j, slot;
+
+ /* Unswizzle all output results.
+ */
+ /* FIXME: handle all the primitives produced by the gs, not just
+ * the first one
+ unsigned prim_count =
+ mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0];*/
+ for (prim_idx = 0; prim_idx < num_primitives; ++prim_idx) {
+ unsigned num_verts_per_prim = machine->Primitives[0];
+ for (j = 0; j < num_verts_per_prim; j++) {
+ int idx = (prim_idx * num_verts_per_prim + j) *
+ shader->info.num_outputs;
+#ifdef DEBUG_OUTPUTS
+ debug_printf("%d) Output vert:\n", idx);
+#endif
+ for (slot = 0; slot < shader->info.num_outputs; slot++) {
+ output[slot][0] = machine->Outputs[idx + slot].xyzw[0].f[prim_idx];
+ output[slot][1] = machine->Outputs[idx + slot].xyzw[1].f[prim_idx];
+ output[slot][2] = machine->Outputs[idx + slot].xyzw[2].f[prim_idx];
+ output[slot][3] = machine->Outputs[idx + slot].xyzw[3].f[prim_idx];
+#ifdef DEBUG_OUTPUTS
+ debug_printf("\t%d: %f %f %f %f\n", slot,
+ output[slot][0],
+ output[slot][1],
+ output[slot][2],
+ output[slot][3]);
+#endif
+ debug_assert(!util_is_inf_or_nan(output[slot][0]));
+ }
+ output = (float (*)[4])((char *)output + vertex_size);
+ }
+ }
+}
+
+void draw_geometry_shader_run(struct draw_geometry_shader *shader,
+ const float (*input)[4],
+ float (*output)[4],
+ const float (*constants)[4],
+ unsigned count,
+ unsigned input_stride,
+ unsigned vertex_size)
+{
+ struct tgsi_exec_machine *machine = shader->machine;
+ unsigned int i;
+ unsigned num_vertices = num_vertices_for_prim(shader->input_primitive);
+ unsigned num_primitives = count/num_vertices;
+ unsigned inputs_from_vs = 0;
+
+ machine->Consts = constants;
+
+ for (i = 0; i < shader->info.num_inputs; ++i) {
+ if (shader->info.input_semantic_name[i] != TGSI_SEMANTIC_VERTICES &&
+ shader->info.input_semantic_name[i] != TGSI_SEMANTIC_PRIMID)
+ ++inputs_from_vs;
+ }
+
+ for (i = 0; i < num_primitives; ++i) {
+ unsigned int max_primitives = 1;
+
+ draw_fetch_geometry_input(shader, i, max_primitives, input,
+ input_stride, inputs_from_vs);
+
+ tgsi_set_exec_mask(machine,
+ 1,
+ max_primitives > 1,
+ max_primitives > 2,
+ max_primitives > 3);
+
+ /* run interpreter */
+ tgsi_exec_machine_run(machine);
+
+ draw_geometry_fetch_outputs(shader, max_primitives,
+ output, vertex_size);
+ }
+}
+
+void draw_geometry_shader_delete(struct draw_geometry_shader *shader)
+{
+ FREE((void*) shader->state.tokens);
+ FREE(shader);
+}
+
+void draw_geometry_shader_prepare(struct draw_geometry_shader *shader,
+ struct draw_context *draw)
+{
+ if (shader->machine->Tokens != shader->state.tokens) {
+ tgsi_exec_machine_bind_shader(shader->machine,
+ shader->state.tokens,
+ draw->gs.num_samplers,
+ draw->gs.samplers);
+ }
+}
diff --git a/src/gallium/auxiliary/draw/draw_gs.h b/src/gallium/auxiliary/draw/draw_gs.h
new file mode 100644
index 00000000000..d6a97d9c4ef
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_gs.h
@@ -0,0 +1,76 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMWare 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 TUNGSTEN 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.
+ *
+ **************************************************************************/
+
+#ifndef DRAW_GS_H
+#define DRAW_GS_H
+
+#include "draw_context.h"
+#include "draw_private.h"
+
+
+#define MAX_TGSI_PRIMITIVES 4
+
+struct draw_context;
+
+/**
+ * Private version of the compiled geometry shader
+ */
+struct draw_geometry_shader {
+ struct draw_context *draw;
+
+ struct tgsi_exec_machine *machine;
+
+ /* This member will disappear shortly:*/
+ struct pipe_shader_state state;
+
+ struct tgsi_shader_info info;
+ unsigned position_output;
+
+ unsigned max_output_vertices;
+ unsigned input_primitive;
+ unsigned output_primitive;
+
+ /* Extracted from shader:
+ */
+ const float (*immediates)[4];
+};
+
+void draw_geometry_shader_run(struct draw_geometry_shader *shader,
+ const float (*input)[4],
+ float (*output)[4],
+ const float (*constants)[4],
+ unsigned count,
+ unsigned input_stride,
+ unsigned output_stride);
+
+void draw_geometry_shader_prepare(struct draw_geometry_shader *shader,
+ struct draw_context *draw);
+
+void draw_geometry_shader_delete(struct draw_geometry_shader *shader);
+
+
+#endif
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 14375426ed8..4585dcdb48a 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -660,13 +660,13 @@ aaline_first_line(struct draw_stage *stage, struct prim_header *header)
}
/* update vertex attrib info */
- aaline->tex_slot = draw->vs.num_vs_outputs;
- aaline->pos_slot = draw->vs.position_output;
+ aaline->tex_slot = draw_current_shader_outputs(draw);
+ aaline->pos_slot = draw_current_shader_position_output(draw);;
/* advertise the extra post-transformed vertex attribute */
- draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
- draw->extra_vp_outputs.semantic_index = aaline->fs->generic_attrib;
- draw->extra_vp_outputs.slot = aaline->tex_slot;
+ draw->extra_shader_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
+ draw->extra_shader_outputs.semantic_index = aaline->fs->generic_attrib;
+ draw->extra_shader_outputs.slot = aaline->tex_slot;
/* how many samplers? */
/* we'll use sampler/texture[pstip->sampler_unit] for the stipple */
@@ -707,7 +707,7 @@ aaline_flush(struct draw_stage *stage, unsigned flags)
aaline->state.texture);
draw->suspend_flushing = FALSE;
- draw->extra_vp_outputs.slot = 0;
+ draw->extra_shader_outputs.slot = 0;
}
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
index 75130a8fb0e..d86717e5182 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
@@ -687,14 +687,14 @@ aapoint_first_point(struct draw_stage *stage, struct prim_header *header)
bind_aapoint_fragment_shader(aapoint);
/* update vertex attrib info */
- aapoint->tex_slot = draw->vs.num_vs_outputs;
+ aapoint->tex_slot = draw_current_shader_outputs(draw);
assert(aapoint->tex_slot > 0); /* output[0] is vertex pos */
- aapoint->pos_slot = draw->vs.position_output;
+ aapoint->pos_slot = draw_current_shader_position_output(draw);
- draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
- draw->extra_vp_outputs.semantic_index = aapoint->fs->generic_attrib;
- draw->extra_vp_outputs.slot = aapoint->tex_slot;
+ draw->extra_shader_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
+ draw->extra_shader_outputs.semantic_index = aapoint->fs->generic_attrib;
+ draw->extra_shader_outputs.slot = aapoint->tex_slot;
/* find psize slot in post-transform vertex */
aapoint->psize_slot = -1;
@@ -731,7 +731,7 @@ aapoint_flush(struct draw_stage *stage, unsigned flags)
aapoint->driver_bind_fs_state(pipe, aapoint->fs->driver_fs);
draw->suspend_flushing = FALSE;
- draw->extra_vp_outputs.slot = 0;
+ draw->extra_shader_outputs.slot = 0;
}
diff --git a/src/gallium/auxiliary/draw/draw_pipe_clip.c b/src/gallium/auxiliary/draw/draw_pipe_clip.c
index 0670268a196..205cda5eabe 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_clip.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_clip.c
@@ -114,8 +114,8 @@ static void interp( const struct clipper *clip,
const struct vertex_header *out,
const struct vertex_header *in )
{
- const unsigned nr_attrs = clip->stage.draw->vs.num_vs_outputs;
- const unsigned pos_attr = clip->stage.draw->vs.position_output;
+ const unsigned nr_attrs = draw_current_shader_outputs(clip->stage.draw);
+ const unsigned pos_attr = draw_current_shader_position_output(clip->stage.draw);
unsigned j;
/* Vertex header.
diff --git a/src/gallium/auxiliary/draw/draw_pipe_cull.c b/src/gallium/auxiliary/draw/draw_pipe_cull.c
index 0a70483858c..11b39db5990 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_cull.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_cull.c
@@ -55,7 +55,7 @@ static INLINE struct cull_stage *cull_stage( struct draw_stage *stage )
static void cull_tri( struct draw_stage *stage,
struct prim_header *header )
{
- const unsigned pos = stage->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(stage->draw);
/* Window coords: */
const float *v0 = header->v[0]->data[pos];
diff --git a/src/gallium/auxiliary/draw/draw_pipe_offset.c b/src/gallium/auxiliary/draw/draw_pipe_offset.c
index 40798a5d6e7..e829492423e 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_offset.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_offset.c
@@ -63,7 +63,7 @@ static INLINE struct offset_stage *offset_stage( struct draw_stage *stage )
static void do_offset_tri( struct draw_stage *stage,
struct prim_header *header )
{
- const unsigned pos = stage->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(stage->draw);
struct offset_stage *offset = offset_stage(stage);
float inv_det = 1.0f / header->det;
diff --git a/src/gallium/auxiliary/draw/draw_pipe_stipple.c b/src/gallium/auxiliary/draw/draw_pipe_stipple.c
index 6e921bac278..70fbab9ea76 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_stipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_stipple.c
@@ -73,7 +73,8 @@ screen_interp( struct draw_context *draw,
const struct vertex_header *v1 )
{
uint attr;
- for (attr = 0; attr < draw->vs.num_vs_outputs; attr++) {
+ int num_outputs = draw_current_shader_outputs(draw);
+ for (attr = 0; attr < num_outputs; attr++) {
const float *val0 = v0->data[attr];
const float *val1 = v1->data[attr];
float *newv = dst->data[attr];
@@ -121,7 +122,7 @@ stipple_line(struct draw_stage *stage, struct prim_header *header)
struct stipple_stage *stipple = stipple_stage(stage);
struct vertex_header *v0 = header->v[0];
struct vertex_header *v1 = header->v[1];
- const unsigned pos = stage->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(stage->draw);
const float *pos0 = v0->data[pos];
const float *pos1 = v1->data[pos];
float start = 0;
diff --git a/src/gallium/auxiliary/draw/draw_pipe_wide_line.c b/src/gallium/auxiliary/draw/draw_pipe_wide_line.c
index f32cbef983d..3073c870825 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_wide_line.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_wide_line.c
@@ -59,7 +59,7 @@ static void wideline_line( struct draw_stage *stage,
struct prim_header *header )
{
/*const struct wideline_stage *wide = wideline_stage(stage);*/
- const unsigned pos = stage->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(stage->draw);
const float half_width = 0.5f * stage->draw->rasterizer->line_width;
struct prim_header tri;
diff --git a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
index 7d76a7dbf39..8dc50c0ab43 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
@@ -112,7 +112,7 @@ static void set_texcoords(const struct widepoint_stage *wide,
if (wide->point_coord_fs_input >= 0) {
/* put gl_PointCoord into the extra vertex slot */
- uint slot = wide->stage.draw->extra_vp_outputs.slot;
+ uint slot = wide->stage.draw->extra_shader_outputs.slot;
v->data[slot][0] = tc[0];
v->data[slot][1] = tc[1];
v->data[slot][2] = 0.0F;
@@ -130,7 +130,7 @@ static void widepoint_point( struct draw_stage *stage,
struct prim_header *header )
{
const struct widepoint_stage *wide = widepoint_stage(stage);
- const unsigned pos = stage->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(stage->draw);
const boolean sprite = (boolean) stage->draw->rasterizer->point_sprite;
float half_size;
float left_adj, right_adj, bot_adj, top_adj;
@@ -257,13 +257,13 @@ static void widepoint_first_point( struct draw_stage *stage,
wide->point_coord_fs_input = find_pntc_input_attrib(draw);
/* setup extra vp output (point coord implemented as a texcoord) */
- draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
- draw->extra_vp_outputs.semantic_index = 0;
- draw->extra_vp_outputs.slot = draw->vs.num_vs_outputs;
+ draw->extra_shader_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
+ draw->extra_shader_outputs.semantic_index = 0;
+ draw->extra_shader_outputs.slot = draw_current_shader_outputs(draw);
}
else {
wide->point_coord_fs_input = -1;
- draw->extra_vp_outputs.slot = 0;
+ draw->extra_shader_outputs.slot = 0;
}
wide->psize_slot = -1;
@@ -287,7 +287,7 @@ static void widepoint_flush( struct draw_stage *stage, unsigned flags )
{
stage->point = widepoint_first_point;
stage->next->flush( stage->next, flags );
- stage->draw->extra_vp_outputs.slot = 0;
+ stage->draw->extra_shader_outputs.slot = 0;
}
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 3850cede1e8..e49041556bd 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -152,8 +152,9 @@ struct draw_context
/** vertex arrays */
const void *vbuffer[PIPE_MAX_ATTRIBS];
- /** constant buffer (for vertex shader) */
- const void *constants;
+ /** constant buffer (for vertex/geometry shader) */
+ const void *vs_constants;
+ const void *gs_constants;
} user;
boolean test_fse; /* enable FSE even though its not correct (eg for softpipe) */
@@ -211,6 +212,18 @@ struct draw_context
struct translate_cache *emit_cache;
} vs;
+ struct {
+ struct draw_geometry_shader *geometry_shader;
+ uint num_gs_outputs; /**< convenience, from geometry_shader */
+ uint position_output;
+
+ /** TGSI program interpreter runtime state */
+ struct tgsi_exec_machine *machine;
+
+ uint num_samplers;
+ struct tgsi_sampler **samplers;
+ } gs;
+
/* Clip derived state:
*/
float plane[12][4];
@@ -222,7 +235,7 @@ struct draw_context
uint semantic_name;
uint semantic_index;
int slot;
- } extra_vp_outputs;
+ } extra_shader_outputs;
unsigned reduced_prim;
@@ -245,6 +258,19 @@ void draw_vs_set_constants( struct draw_context *,
+/*******************************************************************************
+ * Geometry shading code:
+ */
+boolean draw_gs_init( struct draw_context *draw );
+void draw_gs_set_constants( struct draw_context *,
+ const float (*constants)[4],
+ unsigned size );
+
+/*******************************************************************************
+ * Common shading code:
+ */
+int draw_current_shader_outputs(struct draw_context *draw);
+int draw_current_shader_position_output(struct draw_context *draw);
/*******************************************************************************
* Vertex processing (was passthrough) code:
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
index 932113783d0..1a9df4cac5d 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
@@ -32,6 +32,7 @@
#include "draw/draw_vertex.h"
#include "draw/draw_pt.h"
#include "draw/draw_vs.h"
+#include "draw/draw_gs.h"
#include "translate/translate.h"
@@ -119,7 +120,8 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
{
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
- struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ struct draw_vertex_shader *vshader = draw->vs.vertex_shader;
+ struct draw_geometry_shader *gshader = draw->gs.geometry_shader;
unsigned opt = fpme->opt;
unsigned alloc_count = align( fetch_count, 4 );
@@ -147,13 +149,21 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
*/
if (opt & PT_SHADE)
{
- shader->run_linear(shader,
- (const float (*)[4])pipeline_verts->data,
- ( float (*)[4])pipeline_verts->data,
- (const float (*)[4])draw->pt.user.constants,
- fetch_count,
- fpme->vertex_size,
- fpme->vertex_size);
+ vshader->run_linear(vshader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.vs_constants,
+ fetch_count,
+ fpme->vertex_size,
+ fpme->vertex_size);
+ if (gshader)
+ draw_geometry_shader_run(gshader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.gs_constants,
+ fetch_count,
+ fpme->vertex_size,
+ fpme->vertex_size);
}
if (draw_pt_post_vs_run( fpme->post_vs,
@@ -196,6 +206,7 @@ static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ struct draw_geometry_shader *geometry_shader = draw->gs.geometry_shader;
unsigned opt = fpme->opt;
unsigned alloc_count = align( count, 4 );
@@ -226,10 +237,19 @@ static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
shader->run_linear(shader,
(const float (*)[4])pipeline_verts->data,
( float (*)[4])pipeline_verts->data,
- (const float (*)[4])draw->pt.user.constants,
+ (const float (*)[4])draw->pt.user.vs_constants,
count,
fpme->vertex_size,
fpme->vertex_size);
+
+ if (geometry_shader)
+ draw_geometry_shader_run(geometry_shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.gs_constants,
+ count,
+ fpme->vertex_size,
+ fpme->vertex_size);
}
if (draw_pt_post_vs_run( fpme->post_vs,
@@ -270,6 +290,7 @@ static boolean fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle
struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
struct draw_context *draw = fpme->draw;
struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ struct draw_geometry_shader *geometry_shader = draw->gs.geometry_shader;
unsigned opt = fpme->opt;
unsigned alloc_count = align( count, 4 );
@@ -296,10 +317,19 @@ static boolean fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle
shader->run_linear(shader,
(const float (*)[4])pipeline_verts->data,
( float (*)[4])pipeline_verts->data,
- (const float (*)[4])draw->pt.user.constants,
+ (const float (*)[4])draw->pt.user.vs_constants,
count,
fpme->vertex_size,
fpme->vertex_size);
+
+ if (geometry_shader)
+ draw_geometry_shader_run(geometry_shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.gs_constants,
+ count,
+ fpme->vertex_size,
+ fpme->vertex_size);
}
if (draw_pt_post_vs_run( fpme->post_vs,
diff --git a/src/gallium/auxiliary/draw/draw_pt_post_vs.c b/src/gallium/auxiliary/draw/draw_pt_post_vs.c
index 9dfb47837e0..55151823a14 100644
--- a/src/gallium/auxiliary/draw/draw_pt_post_vs.c
+++ b/src/gallium/auxiliary/draw/draw_pt_post_vs.c
@@ -100,7 +100,7 @@ static boolean post_vs_cliptest_viewport_gl( struct pt_post_vs *pvs,
struct vertex_header *out = vertices;
const float *scale = pvs->draw->viewport.scale;
const float *trans = pvs->draw->viewport.translate;
- const unsigned pos = pvs->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(pvs->draw);
unsigned clipped = 0;
unsigned j;
@@ -190,7 +190,7 @@ static boolean post_vs_viewport( struct pt_post_vs *pvs,
struct vertex_header *out = vertices;
const float *scale = pvs->draw->viewport.scale;
const float *trans = pvs->draw->viewport.translate;
- const unsigned pos = pvs->draw->vs.position_output;
+ const unsigned pos = draw_current_shader_position_output(pvs->draw);
unsigned j;
if (0) debug_printf("%s\n", __FUNCTION__);
diff --git a/src/gallium/auxiliary/draw/draw_pt_util.c b/src/gallium/auxiliary/draw/draw_pt_util.c
index b61fa291436..17c3b8cec26 100644
--- a/src/gallium/auxiliary/draw/draw_pt_util.c
+++ b/src/gallium/auxiliary/draw/draw_pt_util.c
@@ -50,16 +50,32 @@ void draw_pt_split_prim(unsigned prim, unsigned *first, unsigned *incr)
*first = 2;
*incr = 1;
break;
+ case PIPE_PRIM_LINES_ADJACENCY:
+ *first = 4;
+ *incr = 2;
+ break;
+ case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+ *first = 4;
+ *incr = 1;
+ break;
case PIPE_PRIM_TRIANGLES:
*first = 3;
*incr = 3;
break;
+ case PIPE_PRIM_TRIANGLES_ADJACENCY:
+ *first = 6;
+ *incr = 3;
+ break;
case PIPE_PRIM_TRIANGLE_STRIP:
case PIPE_PRIM_TRIANGLE_FAN:
case PIPE_PRIM_POLYGON:
*first = 3;
*incr = 1;
break;
+ case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+ *first = 6;
+ *incr = 1;
+ break;
case PIPE_PRIM_QUADS:
*first = 4;
*incr = 4;
diff --git a/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h b/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
index 010c7a18a7c..f0aec5febab 100644
--- a/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
+++ b/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
@@ -36,6 +36,10 @@ static void FUNC(struct draw_pt_front_end *frontend,
case PIPE_PRIM_TRIANGLE_STRIP:
case PIPE_PRIM_QUADS:
case PIPE_PRIM_QUAD_STRIP:
+ case PIPE_PRIM_LINES_ADJACENCY:
+ case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+ case PIPE_PRIM_TRIANGLES_ADJACENCY:
+ case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
for (j = 0; j < count;) {
unsigned remaining = count - j;
unsigned nr = trim( MIN2(varray->driver_fetch_max, remaining), first, incr );
diff --git a/src/gallium/auxiliary/draw/draw_vs_varient.c b/src/gallium/auxiliary/draw/draw_vs_varient.c
index 7ee567d4789..d16692584e5 100644
--- a/src/gallium/auxiliary/draw/draw_vs_varient.c
+++ b/src/gallium/auxiliary/draw/draw_vs_varient.c
@@ -147,11 +147,12 @@ static void PIPE_CDECL vsvg_run_elts( struct draw_vs_varient *varient,
vsvg->base.vs->run_linear( vsvg->base.vs,
temp_buffer,
temp_buffer,
- (const float (*)[4])vsvg->base.vs->draw->pt.user.constants,
+ (const float (*)[4])vsvg->base.vs->draw->pt.user.vs_constants,
count,
temp_vertex_stride,
temp_vertex_stride);
+ /* FIXME: geometry shading? */
if (vsvg->base.key.clip) {
/* not really handling clipping, just do the rhw so we can
@@ -207,7 +208,7 @@ static void PIPE_CDECL vsvg_run_linear( struct draw_vs_varient *varient,
vsvg->base.vs->run_linear( vsvg->base.vs,
temp_buffer,
temp_buffer,
- (const float (*)[4])vsvg->base.vs->draw->pt.user.constants,
+ (const float (*)[4])vsvg->base.vs->draw->pt.user.vs_constants,
count,
temp_vertex_stride,
temp_vertex_stride);
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 5e7e5d2ff9c..bb4f5641616 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -122,7 +122,9 @@ static const char *semantic_names[] =
"GENERIC",
"NORMAL",
"FACE",
- "EDGEFLAG"
+ "EDGEFLAG",
+ "VERTICES_IN",
+ "PRIM_ID"
};
static const char *immediate_type_names[] =
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 123117cb0a3..e2f28783cc2 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -372,6 +372,7 @@ tgsi_exec_machine_create( void )
memset(mach, 0, sizeof(*mach));
mach->Addrs = &mach->Temps[TGSI_EXEC_TEMP_ADDR];
+ mach->MaxGeometryShaderOutputs = TGSI_MAX_TOTAL_VERTICES;
mach->Predicates = &mach->Temps[TGSI_EXEC_TEMP_P0];
/* Setup constants. */
@@ -1468,6 +1469,15 @@ store_dest(
index = mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0]
+ reg->Register.Index;
dst = &mach->Outputs[offset + index].xyzw[chan_index];
+#if 0
+ if (TGSI_PROCESSOR_GEOMETRY == mach->Processor) {
+ fprintf(stderr, "STORING OUT[%d] mask(%d), = (", index, execmask);
+ for (i = 0; i < QUAD_SIZE; i++)
+ if (execmask & (1 << i))
+ fprintf(stderr, "%f, ", chan->f[i]);
+ fprintf(stderr, ")\n");
+ }
+#endif
break;
case TGSI_FILE_TEMPORARY:
@@ -1638,6 +1648,35 @@ exec_kilp(struct tgsi_exec_machine *mach,
mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
}
+static void
+emit_vertex(struct tgsi_exec_machine *mach)
+{
+ /* FIXME: check for exec mask correctly
+ unsigned i;
+ for (i = 0; i < QUAD_SIZE; ++i) {
+ if ((mach->ExecMask & (1 << i)))
+ */
+ if (mach->ExecMask) {
+ mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] += mach->NumOutputs;
+ mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]]++;
+ }
+}
+
+static void
+emit_primitive(struct tgsi_exec_machine *mach)
+{
+ unsigned *prim_count = &mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0];
+ /* FIXME: check for exec mask correctly
+ unsigned i;
+ for (i = 0; i < QUAD_SIZE; ++i) {
+ if ((mach->ExecMask & (1 << i)))
+ */
+ if (mach->ExecMask) {
+ ++(*prim_count);
+ debug_assert((*prim_count * mach->NumOutputs) < mach->MaxGeometryShaderOutputs);
+ mach->Primitives[*prim_count] = 0;
+ }
+}
/*
* Fetch a four texture samples using STR texture coordinates.
@@ -3087,13 +3126,11 @@ exec_instruction(
break;
case TGSI_OPCODE_EMIT:
- mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] += 16;
- mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]]++;
+ emit_vertex(mach);
break;
case TGSI_OPCODE_ENDPRIM:
- mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]++;
- mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]] = 0;
+ emit_primitive(mach);
break;
case TGSI_OPCODE_BGNFOR:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index fd94c1bc440..afaf5c39c48 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -191,6 +191,14 @@ struct tgsi_exec_labels
*/
#define TGSI_EXEC_MAX_CONST_BUFFER 4096
+/* The maximum number of vertices per primitive */
+#define TGSI_MAX_PRIM_VERTICES 6
+
+/* The maximum number of primitives to be generated */
+#define TGSI_MAX_PRIMITIVES 64
+
+/* The maximum total number of vertices */
+#define TGSI_MAX_TOTAL_VERTICES (TGSI_MAX_PRIM_VERTICES * TGSI_MAX_PRIMITIVES * PIPE_MAX_ATTRIBS)
/** function call/activation record */
struct tgsi_call_record
@@ -201,7 +209,6 @@ struct tgsi_call_record
uint ReturnAddr;
};
-
/**
* Run-time virtual machine state for executing TGSI shader.
*/
@@ -214,8 +221,8 @@ struct tgsi_exec_machine
float Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
- struct tgsi_exec_vector Inputs[PIPE_MAX_ATTRIBS];
- struct tgsi_exec_vector Outputs[PIPE_MAX_ATTRIBS];
+ struct tgsi_exec_vector Inputs[TGSI_MAX_PRIM_VERTICES * PIPE_MAX_ATTRIBS];
+ struct tgsi_exec_vector Outputs[TGSI_MAX_TOTAL_VERTICES];
struct tgsi_exec_vector *Addrs;
struct tgsi_exec_vector *Predicates;
@@ -229,6 +236,8 @@ struct tgsi_exec_machine
/* GEOMETRY processor only. */
unsigned *Primitives;
+ unsigned NumOutputs;
+ unsigned MaxGeometryShaderOutputs;
/* FRAGMENT processor only. */
const struct tgsi_interp_coef *InterpCoefs;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index f000958bfc0..84e863b2375 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -791,7 +791,9 @@ static const char *semantic_names[TGSI_SEMANTIC_COUNT] =
"PSIZE",
"GENERIC",
"NORMAL",
- "FACE"
+ "FACE",
+ "VERTICES_IN",
+ "PRIM_ID"
};
static const char *interpolate_names[TGSI_INTERPOLATE_COUNT] =
diff --git a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
index 5cc1d4ddf81..01bea0f8cce 100644
--- a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
+++ b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
@@ -59,7 +59,7 @@ cell_map_constant_buffers(struct cell_context *sp)
}
}
- draw_set_mapped_constant_buffer(sp->draw,
+ draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX,
sp->mapped_constants[PIPE_SHADER_VERTEX],
sp->constants[PIPE_SHADER_VERTEX].buffer->size);
}
diff --git a/src/gallium/drivers/cell/ppu/cell_state_derived.c b/src/gallium/drivers/cell/ppu/cell_state_derived.c
index efc4f78364b..b723e794e71 100644
--- a/src/gallium/drivers/cell/ppu/cell_state_derived.c
+++ b/src/gallium/drivers/cell/ppu/cell_state_derived.c
@@ -66,7 +66,7 @@ calculate_vertex_layout( struct cell_context *cell )
vinfo->num_attribs = 0;
/* we always want to emit vertex pos */
- src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_POSITION, 0);
+ src = draw_find_shader_output(cell->draw, TGSI_SEMANTIC_POSITION, 0);
assert(src >= 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_POS, src);
@@ -82,14 +82,14 @@ calculate_vertex_layout( struct cell_context *cell )
break;
case TGSI_SEMANTIC_COLOR:
- src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_COLOR,
+ src = draw_find_shader_output(cell->draw, TGSI_SEMANTIC_COLOR,
fs->info.input_semantic_index[i]);
assert(src >= 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src);
break;
case TGSI_SEMANTIC_FOG:
- src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_FOG, 0);
+ src = draw_find_shader_output(cell->draw, TGSI_SEMANTIC_FOG, 0);
#if 1
if (src < 0) /* XXX temp hack, try demos/fogcoord.c with this */
src = 0;
@@ -100,7 +100,7 @@ calculate_vertex_layout( struct cell_context *cell )
case TGSI_SEMANTIC_GENERIC:
/* this includes texcoords and varying vars */
- src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_GENERIC,
+ src = draw_find_shader_output(cell->draw, TGSI_SEMANTIC_GENERIC,
fs->info.input_semantic_index[i]);
assert(src >= 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c
index ac5fafec1ad..5b87286d4c5 100644
--- a/src/gallium/drivers/cell/ppu/cell_state_emit.c
+++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c
@@ -331,7 +331,7 @@ cell_emit_state(struct cell_context *cell)
const struct draw_context *const draw = cell->draw;
struct cell_shader_info info;
- info.num_outputs = draw_num_vs_outputs(draw);
+ info.num_outputs = draw_num_shader_outputs(draw);
info.declarations = (uintptr_t) draw->vs.machine.Declarations;
info.num_declarations = draw->vs.machine.NumDeclarations;
info.instructions = (uintptr_t) draw->vs.machine.Instructions;
diff --git a/src/gallium/drivers/i915/i915_context.c b/src/gallium/drivers/i915/i915_context.c
index 94c8aee30fe..949f0463501 100644
--- a/src/gallium/drivers/i915/i915_context.c
+++ b/src/gallium/drivers/i915/i915_context.c
@@ -84,7 +84,7 @@ i915_draw_range_elements(struct pipe_context *pipe,
}
- draw_set_mapped_constant_buffer(draw,
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX,
i915->current.constants[PIPE_SHADER_VERTEX],
(i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
4 * sizeof(float)));
diff --git a/src/gallium/drivers/i915/i915_state_derived.c b/src/gallium/drivers/i915/i915_state_derived.c
index 178d4e8781d..03dd5091a61 100644
--- a/src/gallium/drivers/i915/i915_state_derived.c
+++ b/src/gallium/drivers/i915/i915_state_derived.c
@@ -84,7 +84,7 @@ static void calculate_vertex_layout( struct i915_context *i915 )
/* pos */
- src = draw_find_vs_output(i915->draw, TGSI_SEMANTIC_POSITION, 0);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_POSITION, 0);
if (needW) {
draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_LINEAR, src);
vinfo.hwfmt[0] |= S4_VFMT_XYZW;
@@ -101,21 +101,21 @@ static void calculate_vertex_layout( struct i915_context *i915 )
/* primary color */
if (colors[0]) {
- src = draw_find_vs_output(i915->draw, TGSI_SEMANTIC_COLOR, 0);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_COLOR, 0);
draw_emit_vertex_attr(&vinfo, EMIT_4UB, colorInterp, src);
vinfo.hwfmt[0] |= S4_VFMT_COLOR;
}
/* secondary color */
if (colors[1]) {
- src = draw_find_vs_output(i915->draw, TGSI_SEMANTIC_COLOR, 1);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_COLOR, 1);
draw_emit_vertex_attr(&vinfo, EMIT_4UB, colorInterp, src);
vinfo.hwfmt[0] |= S4_VFMT_SPEC_FOG;
}
/* fog coord, not fog blend factor */
if (fog) {
- src = draw_find_vs_output(i915->draw, TGSI_SEMANTIC_FOG, 0);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_FOG, 0);
draw_emit_vertex_attr(&vinfo, EMIT_1F, INTERP_PERSPECTIVE, src);
vinfo.hwfmt[0] |= S4_VFMT_FOG_PARAM;
}
@@ -125,7 +125,7 @@ static void calculate_vertex_layout( struct i915_context *i915 )
uint hwtc;
if (texCoords[i]) {
hwtc = TEXCOORDFMT_4D;
- src = draw_find_vs_output(i915->draw, TGSI_SEMANTIC_GENERIC, i);
+ src = draw_find_shader_output(i915->draw, TGSI_SEMANTIC_GENERIC, i);
draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
}
else {
diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index e703964aaa8..fdc6a389b41 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -66,7 +66,7 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
/* compute vertex layout now */
const struct lp_fragment_shader *lpfs = llvmpipe->fs;
struct vertex_info *vinfo_vbuf = &llvmpipe->vertex_info_vbuf;
- const uint num = draw_num_vs_outputs(llvmpipe->draw);
+ const uint num = draw_current_shader_outputs(llvmpipe->draw);
uint i;
/* Tell draw_vbuf to simply emit the whole post-xform vertex
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 22683ff8b42..af053f1dc6b 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -734,7 +734,8 @@ llvmpipe_set_constant_buffer(struct pipe_context *pipe,
}
if(shader == PIPE_SHADER_VERTEX) {
- draw_set_mapped_constant_buffer(llvmpipe->draw, data, size);
+ draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX,
+ data, size);
}
llvmpipe->dirty |= LP_NEW_CONSTANTS;
diff --git a/src/gallium/drivers/nv04/nv04_vbo.c b/src/gallium/drivers/nv04/nv04_vbo.c
index e3167814f2b..099ab100433 100644
--- a/src/gallium/drivers/nv04/nv04_vbo.c
+++ b/src/gallium/drivers/nv04/nv04_vbo.c
@@ -45,7 +45,7 @@ boolean nv04_draw_elements( struct pipe_context *pipe,
draw_set_mapped_element_buffer(draw, 0, NULL);
}
- draw_set_mapped_constant_buffer(draw,
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX,
nv04->constbuf[PIPE_SHADER_VERTEX],
nv04->constbuf_nr[PIPE_SHADER_VERTEX]);
diff --git a/src/gallium/drivers/nv10/nv10_vbo.c b/src/gallium/drivers/nv10/nv10_vbo.c
index 441a4f75f3f..0d261412485 100644
--- a/src/gallium/drivers/nv10/nv10_vbo.c
+++ b/src/gallium/drivers/nv10/nv10_vbo.c
@@ -45,6 +45,7 @@ boolean nv10_draw_elements( struct pipe_context *pipe,
}
draw_set_mapped_constant_buffer(draw,
+ PIPE_SHADER_VERTEX,
nv10->constbuf[PIPE_SHADER_VERTEX],
nv10->constbuf_nr[PIPE_SHADER_VERTEX]);
diff --git a/src/gallium/drivers/nv20/nv20_state_emit.c b/src/gallium/drivers/nv20/nv20_state_emit.c
index 0122b1c2cdb..63cba1f4122 100644
--- a/src/gallium/drivers/nv20/nv20_state_emit.c
+++ b/src/gallium/drivers/nv20/nv20_state_emit.c
@@ -228,7 +228,7 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
}
/* always do position */ {
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_POSITION, 0);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_POSITION, 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_LINEAR, src);
vinfo->hwfmt[0] |= (1 << 0);
}
@@ -237,19 +237,19 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
for (i = 4; i < 6; i++) {
if (!generics[i])
continue;
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_GENERIC, i);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_GENERIC, i);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
vinfo->hwfmt[0] |= (1 << (i - 3));
}
if (colors[0]) {
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_COLOR, 0);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_COLOR, 0);
draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src);
vinfo->hwfmt[0] |= (1 << 3);
}
if (colors[1]) {
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_COLOR, 1);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_COLOR, 1);
draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src);
vinfo->hwfmt[0] |= (1 << 4);
}
@@ -258,7 +258,7 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
for (i = 6; i < 10; i++) {
if (!generics[i])
continue;
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_GENERIC, i);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_GENERIC, i);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
vinfo->hwfmt[0] |= (1 << (i - 1));
}
@@ -267,7 +267,7 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
for (i = 0; i < 4; i++) {
if (!generics[i])
continue;
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_GENERIC, i);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_GENERIC, i);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
vinfo->hwfmt[0] |= (1 << (i + 9));
}
@@ -276,13 +276,13 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
for (i = 10; i < 12; i++) {
if (!generics[i])
continue;
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_GENERIC, i);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_GENERIC, i);
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src);
vinfo->hwfmt[0] |= (1 << (i + 3));
}
if (fog) {
- src = draw_find_vs_output(dc, TGSI_SEMANTIC_FOG, 0);
+ src = draw_find_shader_output(dc, TGSI_SEMANTIC_FOG, 0);
draw_emit_vertex_attr(vinfo, EMIT_1F, INTERP_PERSPECTIVE, src);
vinfo->hwfmt[0] |= (1 << 15);
}
diff --git a/src/gallium/drivers/nv20/nv20_vbo.c b/src/gallium/drivers/nv20/nv20_vbo.c
index 84d7db6c5e2..4bf461eba92 100644
--- a/src/gallium/drivers/nv20/nv20_vbo.c
+++ b/src/gallium/drivers/nv20/nv20_vbo.c
@@ -45,7 +45,7 @@ boolean nv20_draw_elements( struct pipe_context *pipe,
draw_set_mapped_element_buffer(draw, 0, NULL);
}
- draw_set_mapped_constant_buffer(draw,
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX,
nv20->constbuf[PIPE_SHADER_VERTEX],
nv20->constbuf_nr[PIPE_SHADER_VERTEX]);
diff --git a/src/gallium/drivers/nv40/nv40_draw.c b/src/gallium/drivers/nv40/nv40_draw.c
index b2f19ecb699..3875bc35457 100644
--- a/src/gallium/drivers/nv40/nv40_draw.c
+++ b/src/gallium/drivers/nv40/nv40_draw.c
@@ -261,7 +261,8 @@ nv40_draw_elements_swtnl(struct pipe_context *pipe,
map = pipe_buffer_map(pscreen,
nv40->constbuf[PIPE_SHADER_VERTEX],
PIPE_BUFFER_USAGE_CPU_READ);
- draw_set_mapped_constant_buffer(nv40->draw, map, nr);
+ draw_set_mapped_constant_buffer(nv40->draw, PIPE_SHADER_VERTEX,
+ map, nr);
}
draw_arrays(nv40->draw, mode, start, count);
@@ -285,7 +286,7 @@ static INLINE void
emit_attrib(struct nv40_context *nv40, unsigned hw, unsigned emit,
unsigned semantic, unsigned index)
{
- unsigned draw_out = draw_find_vs_output(nv40->draw, semantic, index);
+ unsigned draw_out = draw_find_shader_output(nv40->draw, semantic, index);
unsigned a = nv40->swtnl.nr_attribs++;
nv40->swtnl.hw[a] = hw;
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 2a33587b5a7..0c890cb9406 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -222,6 +222,10 @@ softpipe_create( struct pipe_screen *screen )
softpipe->pipe.bind_vs_state = softpipe_bind_vs_state;
softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
+ softpipe->pipe.create_gs_state = softpipe_create_gs_state;
+ softpipe->pipe.bind_gs_state = softpipe_bind_gs_state;
+ softpipe->pipe.delete_gs_state = softpipe_delete_gs_state;
+
softpipe->pipe.set_blend_color = softpipe_set_blend_color;
softpipe->pipe.set_clip_state = softpipe_set_clip_state;
softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index 8ce20c5744c..159547e2a60 100644
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -58,6 +58,7 @@ struct softpipe_context {
struct pipe_rasterizer_state *rasterizer;
struct sp_fragment_shader *fs;
struct sp_vertex_shader *vs;
+ struct sp_geometry_shader *gs;
/** Other rendering state */
struct pipe_blend_color blend_color;
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 518ef8806e5..9ea5d6fb9fb 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -48,7 +48,7 @@ static void
softpipe_map_constant_buffers(struct softpipe_context *sp)
{
struct pipe_winsys *ws = sp->pipe.winsys;
- uint i, size;
+ uint i, vssize, gssize;
for (i = 0; i < PIPE_SHADER_TYPES; i++) {
if (sp->constants[i].buffer && sp->constants[i].buffer->size)
@@ -57,13 +57,21 @@ softpipe_map_constant_buffers(struct softpipe_context *sp)
}
if (sp->constants[PIPE_SHADER_VERTEX].buffer)
- size = sp->constants[PIPE_SHADER_VERTEX].buffer->size;
+ vssize = sp->constants[PIPE_SHADER_VERTEX].buffer->size;
else
- size = 0;
+ vssize = 0;
- draw_set_mapped_constant_buffer(sp->draw,
+ if (sp->constants[PIPE_SHADER_GEOMETRY].buffer)
+ gssize = sp->constants[PIPE_SHADER_GEOMETRY].buffer->size;
+ else
+ gssize = 0;
+
+ draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX,
sp->mapped_constants[PIPE_SHADER_VERTEX],
- size);
+ vssize);
+ draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY,
+ sp->mapped_constants[PIPE_SHADER_GEOMETRY],
+ gssize);
}
@@ -78,9 +86,10 @@ softpipe_unmap_constant_buffers(struct softpipe_context *sp)
*/
draw_flush(sp->draw);
- draw_set_mapped_constant_buffer(sp->draw, NULL, 0);
+ draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, NULL, 0);
+ draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY, NULL, 0);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < PIPE_SHADER_TYPES; i++) {
if (sp->constants[i].buffer && sp->constants[i].buffer->size)
ws->buffer_unmap(ws, sp->constants[i].buffer);
sp->mapped_constants[i] = NULL;
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index bd3532de4f4..a32312d29b9 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -89,6 +89,8 @@ softpipe_get_param(struct pipe_screen *screen, int param)
return 13; /* max 4Kx4K */
case PIPE_CAP_TGSI_CONT_SUPPORTED:
return 1;
+ case PIPE_CAP_GEOMETRY_SHADER4:
+ return 1;
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 1;
default:
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index 615581b95f9..3da75364c5d 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -1268,7 +1268,7 @@ void sp_setup_prepare( struct setup_context *setup )
}
/* Note: nr_attrs is only used for debugging (vertex printing) */
- setup->nr_vertex_attrs = draw_num_vs_outputs(sp->draw);
+ setup->nr_vertex_attrs = draw_num_shader_outputs(sp->draw);
sp->quad.first->begin( sp->quad.first );
diff --git a/src/gallium/drivers/softpipe/sp_state.h b/src/gallium/drivers/softpipe/sp_state.h
index 26d5c3fbb2f..5a32d211d6d 100644
--- a/src/gallium/drivers/softpipe/sp_state.h
+++ b/src/gallium/drivers/softpipe/sp_state.h
@@ -50,6 +50,7 @@
#define SP_NEW_VERTEX 0x1000
#define SP_NEW_VS 0x2000
#define SP_NEW_QUERY 0x4000
+#define SP_NEW_GS 0x8000
struct tgsi_sampler;
@@ -90,6 +91,11 @@ struct sp_vertex_shader {
int max_sampler; /* -1 if no samplers */
};
+/** Subclass of pipe_shader_state */
+struct sp_geometry_shader {
+ struct pipe_shader_state shader;
+ struct draw_geometry_shader *draw_data;
+};
void *
@@ -143,6 +149,10 @@ void *softpipe_create_vs_state(struct pipe_context *,
const struct pipe_shader_state *);
void softpipe_bind_vs_state(struct pipe_context *, void *);
void softpipe_delete_vs_state(struct pipe_context *, void *);
+void *softpipe_create_gs_state(struct pipe_context *,
+ const struct pipe_shader_state *);
+void softpipe_bind_gs_state(struct pipe_context *, void *);
+void softpipe_delete_gs_state(struct pipe_context *, void *);
void softpipe_set_polygon_stipple( struct pipe_context *,
const struct pipe_poly_stipple * );
diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c
index c24a737d07b..f6856a5f691 100644
--- a/src/gallium/drivers/softpipe/sp_state_derived.c
+++ b/src/gallium/drivers/softpipe/sp_state_derived.c
@@ -67,7 +67,7 @@ softpipe_get_vertex_info(struct softpipe_context *softpipe)
/* compute vertex layout now */
const struct sp_fragment_shader *spfs = softpipe->fs;
struct vertex_info *vinfo_vbuf = &softpipe->vertex_info_vbuf;
- const uint num = draw_num_vs_outputs(softpipe->draw);
+ const uint num = draw_current_shader_outputs(softpipe->draw);
uint i;
/* Tell draw_vbuf to simply emit the whole post-xform vertex
@@ -117,13 +117,13 @@ softpipe_get_vertex_info(struct softpipe_context *softpipe)
}
/* this includes texcoords and varying vars */
- src = draw_find_vs_output(softpipe->draw,
- spfs->info.input_semantic_name[i],
- spfs->info.input_semantic_index[i]);
+ src = draw_find_shader_output(softpipe->draw,
+ spfs->info.input_semantic_name[i],
+ spfs->info.input_semantic_index[i]);
draw_emit_vertex_attr(vinfo, EMIT_4F, interp, src);
}
- softpipe->psize_slot = draw_find_vs_output(softpipe->draw,
+ softpipe->psize_slot = draw_find_shader_output(softpipe->draw,
TGSI_SEMANTIC_PSIZE, 0);
if (softpipe->psize_slot > 0) {
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_CONSTANT,
diff --git a/src/gallium/drivers/softpipe/sp_state_fs.c b/src/gallium/drivers/softpipe/sp_state_fs.c
index b41f7e8ab72..22f82b1a429 100644
--- a/src/gallium/drivers/softpipe/sp_state_fs.c
+++ b/src/gallium/drivers/softpipe/sp_state_fs.c
@@ -165,3 +165,62 @@ softpipe_set_constant_buffer(struct pipe_context *pipe,
softpipe->dirty |= SP_NEW_CONSTANTS;
}
+
+void *
+softpipe_create_gs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+ struct sp_geometry_shader *state;
+
+ state = CALLOC_STRUCT(sp_geometry_shader);
+ if (state == NULL )
+ goto fail;
+
+ /* copy shader tokens, the ones passed in will go away.
+ */
+ state->shader.tokens = tgsi_dup_tokens(templ->tokens);
+ if (state->shader.tokens == NULL)
+ goto fail;
+
+ state->draw_data = draw_create_geometry_shader(softpipe->draw, templ);
+ if (state->draw_data == NULL)
+ goto fail;
+
+ return state;
+
+fail:
+ if (state) {
+ FREE( (void *)state->shader.tokens );
+ FREE( state->draw_data );
+ FREE( state );
+ }
+ return NULL;
+}
+
+
+void
+softpipe_bind_gs_state(struct pipe_context *pipe, void *gs)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ softpipe->gs = (struct sp_geometry_shader *)gs;
+
+ draw_bind_geometry_shader(softpipe->draw,
+ (softpipe->gs ? softpipe->gs->draw_data : NULL));
+
+ softpipe->dirty |= SP_NEW_GS;
+}
+
+
+void
+softpipe_delete_gs_state(struct pipe_context *pipe, void *gs)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ struct sp_geometry_shader *state =
+ (struct sp_geometry_shader *)gs;
+
+ draw_delete_geometry_shader(softpipe->draw, state->draw_data);
+ FREE(state);
+}
diff --git a/src/gallium/drivers/svga/svga_swtnl_draw.c b/src/gallium/drivers/svga/svga_swtnl_draw.c
index 8b14c913f72..7655121bec1 100644
--- a/src/gallium/drivers/svga/svga_swtnl_draw.c
+++ b/src/gallium/drivers/svga/svga_swtnl_draw.c
@@ -90,7 +90,7 @@ svga_swtnl_draw_range_elements(struct svga_context *svga,
PIPE_BUFFER_USAGE_CPU_READ);
assert(map);
draw_set_mapped_constant_buffer(
- draw,
+ draw, PIPE_SHADER_VERTEX,
map,
svga->curr.cb[PIPE_SHADER_VERTEX]->size);
}
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 11bcdc0a24c..6c06fb90270 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -142,6 +142,12 @@ struct pipe_context {
const struct pipe_shader_state *);
void (*bind_vs_state)(struct pipe_context *, void *);
void (*delete_vs_state)(struct pipe_context *, void *);
+
+ void * (*create_gs_state)(struct pipe_context *,
+ const struct pipe_shader_state *);
+ void (*bind_gs_state)(struct pipe_context *, void *);
+ void (*delete_gs_state)(struct pipe_context *, void *);
+
/*@}*/
/**
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index fe1390d765f..90fc3331d1c 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -321,23 +321,28 @@ enum pipe_transfer_usage {
*/
#define PIPE_SHADER_VERTEX 0
#define PIPE_SHADER_FRAGMENT 1
-#define PIPE_SHADER_TYPES 2
+#define PIPE_SHADER_GEOMETRY 2
+#define PIPE_SHADER_TYPES 3
/**
* Primitive types:
*/
-#define PIPE_PRIM_POINTS 0
-#define PIPE_PRIM_LINES 1
-#define PIPE_PRIM_LINE_LOOP 2
-#define PIPE_PRIM_LINE_STRIP 3
-#define PIPE_PRIM_TRIANGLES 4
-#define PIPE_PRIM_TRIANGLE_STRIP 5
-#define PIPE_PRIM_TRIANGLE_FAN 6
-#define PIPE_PRIM_QUADS 7
-#define PIPE_PRIM_QUAD_STRIP 8
-#define PIPE_PRIM_POLYGON 9
-#define PIPE_PRIM_MAX 10
+#define PIPE_PRIM_POINTS 0
+#define PIPE_PRIM_LINES 1
+#define PIPE_PRIM_LINE_LOOP 2
+#define PIPE_PRIM_LINE_STRIP 3
+#define PIPE_PRIM_TRIANGLES 4
+#define PIPE_PRIM_TRIANGLE_STRIP 5
+#define PIPE_PRIM_TRIANGLE_FAN 6
+#define PIPE_PRIM_QUADS 7
+#define PIPE_PRIM_QUAD_STRIP 8
+#define PIPE_PRIM_POLYGON 9
+#define PIPE_PRIM_LINES_ADJACENCY 10
+#define PIPE_PRIM_LINE_STRIP_ADJACENCY 11
+#define PIPE_PRIM_TRIANGLES_ADJACENCY 12
+#define PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY 13
+#define PIPE_PRIM_MAX 14
/**
@@ -393,6 +398,7 @@ enum pipe_transfer_usage {
#define PIPE_CAP_MAX_PREDICATE_REGISTERS 30
#define PIPE_CAP_MAX_COMBINED_SAMPLERS 31 /*< Maximum texture image units accessible from vertex
and fragment shaders combined */
+#define PIPE_CAP_GEOMETRY_SHADER4 32
/**
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 5da85bbbc24..3e7335b4553 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -121,16 +121,18 @@ struct tgsi_declaration_range
unsigned Last : 16; /**< UINT */
};
-#define TGSI_SEMANTIC_POSITION 0
-#define TGSI_SEMANTIC_COLOR 1
-#define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
-#define TGSI_SEMANTIC_FOG 3
-#define TGSI_SEMANTIC_PSIZE 4
-#define TGSI_SEMANTIC_GENERIC 5
-#define TGSI_SEMANTIC_NORMAL 6
-#define TGSI_SEMANTIC_FACE 7
-#define TGSI_SEMANTIC_EDGEFLAG 8
-#define TGSI_SEMANTIC_COUNT 9 /**< number of semantic values */
+#define TGSI_SEMANTIC_POSITION 0
+#define TGSI_SEMANTIC_COLOR 1
+#define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
+#define TGSI_SEMANTIC_FOG 3
+#define TGSI_SEMANTIC_PSIZE 4
+#define TGSI_SEMANTIC_GENERIC 5
+#define TGSI_SEMANTIC_NORMAL 6
+#define TGSI_SEMANTIC_FACE 7
+#define TGSI_SEMANTIC_EDGEFLAG 8
+#define TGSI_SEMANTIC_VERTICES 9
+#define TGSI_SEMANTIC_PRIMID 10
+#define TGSI_SEMANTIC_COUNT 11 /**< number of semantic values */
struct tgsi_declaration_semantic
{
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
index 9728207d9c7..3c35e6f7455 100644
--- a/src/gallium/state_trackers/python/p_context.i
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -103,6 +103,25 @@ struct st_context {
$self->vs = vs;
}
+ void set_geometry_shader( const struct pipe_shader_state *state ) {
+ void *gs;
+
+ if(!state) {
+ cso_set_geometry_shader_handle($self->cso, NULL);
+ return;
+ }
+
+ gs = $self->pipe->create_gs_state($self->pipe, state);
+ if(!gs)
+ return;
+
+ if(cso_set_geometry_shader_handle($self->cso, gs) != PIPE_OK)
+ return;
+
+ cso_delete_geometry_shader($self->cso, $self->gs);
+ $self->gs = gs;
+ }
+
/*
* Parameter-like state (or properties)
*/
diff --git a/src/gallium/state_trackers/python/samples/gs.py b/src/gallium/state_trackers/python/samples/gs.py
new file mode 100644
index 00000000000..f4f083e547c
--- /dev/null
+++ b/src/gallium/state_trackers/python/samples/gs.py
@@ -0,0 +1,254 @@
+#!/usr/bin/env python
+##########################################################################
+#
+# Copyright 2009 VMware
+# 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 TUNGSTEN 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.
+#
+##########################################################################
+
+
+from gallium import *
+
+
+def make_image(surface):
+ data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
+
+ import Image
+ outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
+ return outimage
+
+def save_image(filename, surface):
+ outimage = make_image(surface)
+ outimage.save(filename, "PNG")
+
+def show_image(surface):
+ outimage = make_image(surface)
+
+ import Tkinter as tk
+ from PIL import Image, ImageTk
+ root = tk.Tk()
+
+ root.title('background image')
+
+ image1 = ImageTk.PhotoImage(outimage)
+ w = image1.width()
+ h = image1.height()
+ x = 100
+ y = 100
+ root.geometry("%dx%d+%d+%d" % (w, h, x, y))
+ panel1 = tk.Label(root, image=image1)
+ panel1.pack(side='top', fill='both', expand='yes')
+ panel1.image = image1
+ root.mainloop()
+
+
+def test(dev):
+ ctx = dev.context_create()
+
+ width = 255
+ height = 255
+ minz = 0.0
+ maxz = 1.0
+
+ # disabled blending/masking
+ blend = Blend()
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.colormask = PIPE_MASK_RGBA
+ ctx.set_blend(blend)
+
+ # depth/stencil/alpha
+ depth_stencil_alpha = DepthStencilAlpha()
+ depth_stencil_alpha.depth.enabled = 1
+ depth_stencil_alpha.depth.writemask = 1
+ depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+ ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+
+ # rasterizer
+ rasterizer = Rasterizer()
+ rasterizer.front_winding = PIPE_WINDING_CW
+ rasterizer.cull_mode = PIPE_WINDING_NONE
+ rasterizer.scissor = 1
+ ctx.set_rasterizer(rasterizer)
+
+ # viewport
+ viewport = Viewport()
+ scale = FloatArray(4)
+ scale[0] = width / 2.0
+ scale[1] = -height / 2.0
+ scale[2] = (maxz - minz) / 2.0
+ scale[3] = 1.0
+ viewport.scale = scale
+ translate = FloatArray(4)
+ translate[0] = width / 2.0
+ translate[1] = height / 2.0
+ translate[2] = (maxz - minz) / 2.0
+ translate[3] = 0.0
+ viewport.translate = translate
+ ctx.set_viewport(viewport)
+
+ # samplers
+ sampler = Sampler()
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE
+ sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.normalized_coords = 1
+ ctx.set_sampler(0, sampler)
+
+ # scissor
+ scissor = Scissor()
+ scissor.minx = 0
+ scissor.miny = 0
+ scissor.maxx = width
+ scissor.maxy = height
+ ctx.set_scissor(scissor)
+
+ clip = Clip()
+ clip.nr = 0
+ ctx.set_clip(clip)
+
+ # framebuffer
+ cbuf = dev.texture_create(
+ PIPE_FORMAT_X8R8G8B8_UNORM,
+ width, height,
+ tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
+ ).get_surface()
+ zbuf = dev.texture_create(
+ PIPE_FORMAT_Z16_UNORM,
+ width, height,
+ tex_usage=PIPE_TEXTURE_USAGE_DEPTH_STENCIL,
+ ).get_surface()
+ fb = Framebuffer()
+ fb.width = width
+ fb.height = height
+ fb.nr_cbufs = 1
+ fb.set_cbuf(0, cbuf)
+ fb.set_zsbuf(zbuf)
+ ctx.set_framebuffer(fb)
+ rgba = FloatArray(4);
+ rgba[0] = 0.0
+ rgba[1] = 0.0
+ rgba[2] = 0.0
+ rgba[3] = 0.0
+ ctx.clear(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0xff)
+
+ # vertex shader
+ vs = Shader('''
+ VERT
+ DCL IN[0], POSITION, CONSTANT
+ DCL IN[1], COLOR, CONSTANT
+ DCL OUT[0], POSITION, CONSTANT
+ DCL OUT[1], COLOR, CONSTANT
+ 0:MOV OUT[0], IN[0]
+ 1:MOV OUT[1], IN[1]
+ 2:END
+ ''')
+ ctx.set_vertex_shader(vs)
+
+ gs = Shader('''
+ GEOM
+ PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
+ PROPERTY GS_OUTPUT_PRIMITIVE TRIANGLE_STRIP
+ DCL IN[][0], POSITION, CONSTANT
+ DCL IN[][1], COLOR, CONSTANT
+ DCL OUT[0], POSITION, CONSTANT
+ DCL OUT[1], COLOR, CONSTANT
+ 0:MOV OUT[0], IN[0][0]
+ 1:MOV OUT[1], IN[0][1]
+ 2:EMIT_VERTEX
+ 3:MOV OUT[0], IN[1][0]
+ 4:MOV OUT[1], IN[1][1]
+ 5:EMIT_VERTEX
+ 6:MOV OUT[0], IN[2][0]
+ 7:MOV OUT[1], IN[2][1]
+ 8:EMIT_VERTEX
+ 9:END_PRIMITIVE
+ 10:END
+ ''')
+ ctx.set_geometry_shader(gs)
+
+ # fragment shader
+ fs = Shader('''
+ FRAG
+ DCL IN[0], COLOR, LINEAR
+ DCL OUT[0], COLOR, CONSTANT
+ 0:MOV OUT[0], IN[0]
+ 1:END
+ ''')
+ ctx.set_fragment_shader(fs)
+
+ nverts = 3
+ nattrs = 2
+ verts = FloatArray(nverts * nattrs * 4)
+
+ verts[ 0] = 0.0 # x1
+ verts[ 1] = 0.8 # y1
+ verts[ 2] = 0.2 # z1
+ verts[ 3] = 1.0 # w1
+ verts[ 4] = 1.0 # r1
+ verts[ 5] = 0.0 # g1
+ verts[ 6] = 0.0 # b1
+ verts[ 7] = 1.0 # a1
+ verts[ 8] = -0.8 # x2
+ verts[ 9] = -0.8 # y2
+ verts[10] = 0.5 # z2
+ verts[11] = 1.0 # w2
+ verts[12] = 0.0 # r2
+ verts[13] = 1.0 # g2
+ verts[14] = 0.0 # b2
+ verts[15] = 1.0 # a2
+ verts[16] = 0.8 # x3
+ verts[17] = -0.8 # y3
+ verts[18] = 0.8 # z3
+ verts[19] = 1.0 # w3
+ verts[20] = 0.0 # r3
+ verts[21] = 0.0 # g3
+ verts[22] = 1.0 # b3
+ verts[23] = 1.0 # a3
+
+ ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+ nverts,
+ nattrs,
+ verts)
+
+ ctx.flush()
+
+ show_image(cbuf)
+ #show_image(zbuf)
+ #save_image('cbuf.png', cbuf)
+ #save_image('zbuf.png', zbuf)
+
+
+
+def main():
+ dev = Device()
+ test(dev)
+
+
+if __name__ == '__main__':
+ main()
diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h
index a246b6a1f25..2a7a323985f 100644
--- a/src/gallium/state_trackers/python/st_device.h
+++ b/src/gallium/state_trackers/python/st_device.h
@@ -57,6 +57,7 @@ struct st_context {
void *vs;
void *fs;
+ void *gs;
struct pipe_texture *default_texture;
struct pipe_texture *sampler_textures[PIPE_MAX_SAMPLERS];
diff --git a/src/mesa/state_tracker/st_draw_feedback.c b/src/mesa/state_tracker/st_draw_feedback.c
index d793f820bc3..cfc0caac983 100644
--- a/src/mesa/state_tracker/st_draw_feedback.c
+++ b/src/mesa/state_tracker/st_draw_feedback.c
@@ -241,7 +241,8 @@ st_feedback_draw_vbo(GLcontext *ctx,
mapped_constants = pipe_buffer_map(pipe->screen,
st->state.constants[PIPE_SHADER_VERTEX].buffer,
PIPE_BUFFER_USAGE_CPU_READ);
- draw_set_mapped_constant_buffer(st->draw, mapped_constants,
+ draw_set_mapped_constant_buffer(st->draw, PIPE_SHADER_VERTEX,
+ mapped_constants,
st->state.constants[PIPE_SHADER_VERTEX].buffer->size);