'clear',
'tri',
'quad-tex',
- 'fp-test',
- 'vp-test',
+ 'fs-test',
+ 'vs-test',
+ 'gs-test',
'tri-gs',
]
+++ /dev/null
-/* Display a cleared blue window. This demo has no dependencies on
- * any utility code, just the graw interface and gallium.
- */
-
-#include "state_tracker/graw.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-#include <stdio.h> /* for fread(), etc */
-
-#include "util/u_debug.h" /* debug_dump_surface_bmp() */
-#include "util/u_inlines.h"
-#include "util/u_memory.h" /* Offset() */
-#include "util/u_box.h"
-
-static const char *filename = NULL;
-unsigned show_fps = 0;
-
-
-static void usage(char *name)
-{
- fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
-#ifndef WIN32
- fprintf(stderr, "\n" );
- fprintf(stderr, "options:\n");
- fprintf(stderr, " -fps show frames per second\n");
-#endif
-}
-
-
-enum pipe_format formats[] = {
- PIPE_FORMAT_R8G8B8A8_UNORM,
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_NONE
-};
-
-static const int WIDTH = 250;
-static const int HEIGHT = 250;
-
-static struct pipe_screen *screen = NULL;
-static struct pipe_context *ctx = NULL;
-static struct pipe_resource *rttex = NULL;
-static struct pipe_resource *constbuf = NULL;
-static struct pipe_surface *surf = NULL;
-static struct pipe_sampler_view *sv = NULL;
-static void *sampler = NULL;
-static void *window = NULL;
-static struct pipe_resource *samptex = NULL;
-
-struct vertex {
- float position[4];
- float color[4];
- float texcoord[4];
-};
-
-/* Vertex data matches progs/fp/fp-tri.c, but flipped in Y dimension
- * so that the final images are the same.
- */
-static struct vertex vertices[] =
-{
- { { 0.9, 0.9, 0.0, 1.0 },
- { 0, 0, 1, 1 },
- { 1, 1, 0, 1 } },
-
- { { 0.9, -0.9, 0.0, 1.0 },
- { 1, 0, 0, 1 },
- { 1, -1, 0, 1 } },
-
- { {-0.9, 0.0, 0.0, 1.0 },
- { 0, 1, 0, 1 },
- { -1, 0, 0, 1 } },
-};
-
-static float constants[] =
-{ 0.4, 0, 0, 1,
- 1, 1, 1, 1,
- 2, 2, 2, 2,
- 4, 8, 16, 32,
-
- 3, 0, 0, 0,
- 0, .5, 0, 0,
- 0, 0, 1, 0,
- 0, 0, 0, 1,
-
- 1, 0, 0, 0.5,
- 0, 1, 0, 0.5,
- 0, 0, 1, 0,
- 0, 0, 0, 1,
-};
-
-static void init_fs_constbuf( void )
-{
- struct pipe_resource templat;
- struct pipe_box box;
-
- templat.target = PIPE_BUFFER;
- templat.format = PIPE_FORMAT_R8_UNORM;
- templat.width0 = sizeof(constants);
- templat.height0 = 1;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = PIPE_BIND_CONSTANT_BUFFER;
-
- constbuf = screen->resource_create(screen,
- &templat);
- if (constbuf == NULL)
- exit(4);
-
-
- u_box_2d(0,0,sizeof(constants),1, &box);
-
- ctx->transfer_inline_write(ctx,
- constbuf,
- u_subresource(0,0),
- PIPE_TRANSFER_WRITE,
- &box,
- constants,
- sizeof constants,
- sizeof constants);
-
-
- ctx->set_constant_buffer(ctx,
- PIPE_SHADER_FRAGMENT, 0,
- constbuf);
-}
-
-
-static void set_viewport( float x, float y,
- float width, float height,
- float near, float far)
-{
- float z = far;
- float half_width = (float)width / 2.0f;
- float half_height = (float)height / 2.0f;
- float half_depth = ((float)far - (float)near) / 2.0f;
- struct pipe_viewport_state vp;
-
- vp.scale[0] = half_width;
- vp.scale[1] = half_height;
- vp.scale[2] = half_depth;
- vp.scale[3] = 1.0f;
-
- vp.translate[0] = half_width + x;
- vp.translate[1] = half_height + y;
- vp.translate[2] = half_depth + z;
- vp.translate[3] = 0.0f;
-
- ctx->set_viewport_state( ctx, &vp );
-}
-
-static void set_vertices( void )
-{
- struct pipe_vertex_element ve[3];
- struct pipe_vertex_buffer vbuf;
- void *handle;
-
- memset(ve, 0, sizeof ve);
-
- ve[0].src_offset = Offset(struct vertex, position);
- ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- ve[1].src_offset = Offset(struct vertex, color);
- ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- ve[2].src_offset = Offset(struct vertex, texcoord);
- ve[2].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-
- handle = ctx->create_vertex_elements_state(ctx, 3, ve);
- ctx->bind_vertex_elements_state(ctx, handle);
-
-
- vbuf.stride = sizeof( struct vertex );
- vbuf.max_index = sizeof(vertices) / vbuf.stride;
- vbuf.buffer_offset = 0;
- vbuf.buffer = screen->user_buffer_create(screen,
- vertices,
- sizeof(vertices),
- PIPE_BIND_VERTEX_BUFFER);
-
- ctx->set_vertex_buffers(ctx, 1, &vbuf);
-}
-
-static void set_vertex_shader( void )
-{
- void *handle;
- const char *text =
- "VERT\n"
- "DCL IN[0]\n"
- "DCL IN[1]\n"
- "DCL IN[2]\n"
- "DCL OUT[0], POSITION\n"
- "DCL OUT[1], COLOR[0]\n"
- "DCL OUT[2], GENERIC[0]\n"
- " MOV OUT[0], IN[0]\n"
- " MOV OUT[1], IN[1]\n"
- " MOV OUT[2], IN[2]\n"
- " END\n";
-
- handle = graw_parse_vertex_shader(ctx, text);
- ctx->bind_vs_state(ctx, handle);
-}
-
-static void set_fragment_shader( const char *filename )
-{
- FILE *f;
- char buf[50000];
- void *handle;
- int sz;
-
- if ((f = fopen(filename, "r")) == NULL) {
- fprintf(stderr, "Couldn't open %s\n", filename);
- exit(1);
- }
-
- sz = fread(buf, 1, sizeof(buf), f);
- if (!feof(f)) {
- printf("file too long\n");
- exit(1);
- }
- printf("%.*s\n", sz, buf);
- buf[sz] = 0;
-
- handle = graw_parse_fragment_shader(ctx, buf);
- ctx->bind_fs_state(ctx, handle);
-}
-
-
-static void draw( void )
-{
- float clear_color[4] = {.1,.3,.5,0};
-
- ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
- ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLES, 0, 3);
- ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
-
-#if 0
- /* At the moment, libgraw leaks out/makes available some of the
- * symbols from gallium/auxiliary, including these debug helpers.
- * Will eventually want to bless some of these paths, and lock the
- * others down so they aren't accessible from test programs.
- *
- * This currently just happens to work on debug builds - a release
- * build will probably fail to link here:
- */
- debug_dump_surface_bmp(ctx, "result.bmp", surf);
-#endif
-
- screen->flush_frontbuffer(screen, surf, window);
-}
-
-#define SIZE 16
-
-static void init_tex( void )
-{
- struct pipe_sampler_view sv_template;
- struct pipe_sampler_state sampler_desc;
- struct pipe_resource templat;
- struct pipe_box box;
- ubyte tex2d[SIZE][SIZE][4];
- int s, t;
-
-#if (SIZE != 2)
- for (s = 0; s < SIZE; s++) {
- for (t = 0; t < SIZE; t++) {
- if (0) {
- int x = (s ^ t) & 1;
- tex2d[t][s][0] = (x) ? 0 : 63;
- tex2d[t][s][1] = (x) ? 0 : 128;
- tex2d[t][s][2] = 0;
- tex2d[t][s][3] = 0xff;
- }
- else {
- int x = ((s ^ t) >> 2) & 1;
- tex2d[t][s][0] = s*255/(SIZE-1);
- tex2d[t][s][1] = t*255/(SIZE-1);
- tex2d[t][s][2] = (x) ? 0 : 128;
- tex2d[t][s][3] = 0xff;
- }
- }
- }
-#else
- tex2d[0][0][0] = 0;
- tex2d[0][0][1] = 255;
- tex2d[0][0][2] = 255;
- tex2d[0][0][3] = 0;
-
- tex2d[0][1][0] = 0;
- tex2d[0][1][1] = 0;
- tex2d[0][1][2] = 255;
- tex2d[0][1][3] = 255;
-
- tex2d[1][0][0] = 255;
- tex2d[1][0][1] = 255;
- tex2d[1][0][2] = 0;
- tex2d[1][0][3] = 255;
-
- tex2d[1][1][0] = 255;
- tex2d[1][1][1] = 0;
- tex2d[1][1][2] = 0;
- tex2d[1][1][3] = 255;
-#endif
-
- templat.target = PIPE_TEXTURE_2D;
- templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
- templat.width0 = SIZE;
- templat.height0 = SIZE;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = PIPE_BIND_SAMPLER_VIEW;
-
-
- samptex = screen->resource_create(screen,
- &templat);
- if (samptex == NULL)
- exit(4);
-
- u_box_2d(0,0,SIZE,SIZE, &box);
-
- ctx->transfer_inline_write(ctx,
- samptex,
- u_subresource(0,0),
- PIPE_TRANSFER_WRITE,
- &box,
- tex2d,
- sizeof tex2d[0],
- sizeof tex2d);
-
- /* Possibly read back & compare against original data:
- */
- if (0)
- {
- struct pipe_transfer *t;
- uint32_t *ptr;
- t = pipe_get_transfer(ctx, samptex,
- 0, 0, 0, /* face, level, zslice */
- PIPE_TRANSFER_READ,
- 0, 0, SIZE, SIZE); /* x, y, width, height */
-
- ptr = ctx->transfer_map(ctx, t);
-
- if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
- assert(0);
- exit(9);
- }
-
- ctx->transfer_unmap(ctx, t);
-
- ctx->transfer_destroy(ctx, t);
- }
-
- memset(&sv_template, 0, sizeof sv_template);
- sv_template.format = samptex->format;
- sv_template.texture = samptex;
- sv_template.first_level = 0;
- sv_template.last_level = 0;
- sv_template.swizzle_r = 0;
- sv_template.swizzle_g = 1;
- sv_template.swizzle_b = 2;
- sv_template.swizzle_a = 3;
- sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
- if (sv == NULL)
- exit(5);
-
- ctx->set_fragment_sampler_views(ctx, 1, &sv);
-
-
- memset(&sampler_desc, 0, sizeof sampler_desc);
- sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
- sampler_desc.compare_func = 0;
- sampler_desc.normalized_coords = 1;
- sampler_desc.max_anisotropy = 0;
-
- sampler = ctx->create_sampler_state(ctx, &sampler_desc);
- if (sampler == NULL)
- exit(6);
-
- ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
-
-}
-
-static void init( void )
-{
- struct pipe_framebuffer_state fb;
- struct pipe_resource templat;
- int i;
-
- /* It's hard to say whether window or screen should be created
- * first. Different environments would prefer one or the other.
- *
- * Also, no easy way of querying supported formats if the screen
- * cannot be created first.
- */
- for (i = 0;
- window == NULL && formats[i] != PIPE_FORMAT_NONE;
- i++) {
-
- screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
- formats[i],
- &window);
- }
-
- ctx = screen->context_create(screen, NULL);
- if (ctx == NULL)
- exit(3);
-
- templat.target = PIPE_TEXTURE_2D;
- templat.format = formats[i];
- templat.width0 = WIDTH;
- templat.height0 = HEIGHT;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET);
-
- rttex = screen->resource_create(screen,
- &templat);
- if (rttex == NULL)
- exit(4);
-
- surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
- PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET);
- if (surf == NULL)
- exit(5);
-
- memset(&fb, 0, sizeof fb);
- fb.nr_cbufs = 1;
- fb.width = WIDTH;
- fb.height = HEIGHT;
- fb.cbufs[0] = surf;
-
- ctx->set_framebuffer_state(ctx, &fb);
-
- {
- struct pipe_blend_state blend;
- void *handle;
- memset(&blend, 0, sizeof blend);
- blend.rt[0].colormask = PIPE_MASK_RGBA;
- handle = ctx->create_blend_state(ctx, &blend);
- ctx->bind_blend_state(ctx, handle);
- }
-
- {
- struct pipe_depth_stencil_alpha_state depthstencil;
- void *handle;
- memset(&depthstencil, 0, sizeof depthstencil);
- handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
- ctx->bind_depth_stencil_alpha_state(ctx, handle);
- }
-
- {
- struct pipe_rasterizer_state rasterizer;
- void *handle;
- memset(&rasterizer, 0, sizeof rasterizer);
- rasterizer.cull_face = PIPE_FACE_NONE;
- rasterizer.gl_rasterization_rules = 1;
- handle = ctx->create_rasterizer_state(ctx, &rasterizer);
- ctx->bind_rasterizer_state(ctx, handle);
- }
-
- set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
-
- init_tex();
- init_fs_constbuf();
-
- set_vertices();
- set_vertex_shader();
- set_fragment_shader(filename);
-}
-
-static void args(int argc, char *argv[])
-{
- int i;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-fps") == 0) {
- show_fps = 1;
- }
- else if (i == argc - 1) {
- filename = argv[i];
- }
- else {
- usage(argv[0]);
- exit(1);
- }
- }
-
- if (!filename) {
- usage(argv[0]);
- exit(1);
- }
-}
-
-int main( int argc, char *argv[] )
-{
- args(argc,argv);
- init();
-
- graw_set_display_func( draw );
- graw_main_loop();
- return 0;
-}
--- /dev/null
+/* Display a cleared blue window. This demo has no dependencies on
+ * any utility code, just the graw interface and gallium.
+ */
+
+#include "state_tracker/graw.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include <stdio.h> /* for fread(), etc */
+
+#include "util/u_debug.h" /* debug_dump_surface_bmp() */
+#include "util/u_inlines.h"
+#include "util/u_memory.h" /* Offset() */
+#include "util/u_box.h"
+
+static const char *filename = NULL;
+unsigned show_fps = 0;
+
+
+static void usage(char *name)
+{
+ fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
+#ifndef WIN32
+ fprintf(stderr, "\n" );
+ fprintf(stderr, "options:\n");
+ fprintf(stderr, " -fps show frames per second\n");
+#endif
+}
+
+
+enum pipe_format formats[] = {
+ PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_B8G8R8A8_UNORM,
+ PIPE_FORMAT_NONE
+};
+
+static const int WIDTH = 250;
+static const int HEIGHT = 250;
+
+static struct pipe_screen *screen = NULL;
+static struct pipe_context *ctx = NULL;
+static struct pipe_resource *rttex = NULL;
+static struct pipe_resource *constbuf = NULL;
+static struct pipe_surface *surf = NULL;
+static struct pipe_sampler_view *sv = NULL;
+static void *sampler = NULL;
+static void *window = NULL;
+static struct pipe_resource *samptex = NULL;
+
+struct vertex {
+ float position[4];
+ float color[4];
+ float texcoord[4];
+};
+
+/* Vertex data matches progs/fp/fp-tri.c, but flipped in Y dimension
+ * so that the final images are the same.
+ */
+static struct vertex vertices[] =
+{
+ { { 0.9, 0.9, 0.0, 1.0 },
+ { 0, 0, 1, 1 },
+ { 1, 1, 0, 1 } },
+
+ { { 0.9, -0.9, 0.0, 1.0 },
+ { 1, 0, 0, 1 },
+ { 1, -1, 0, 1 } },
+
+ { {-0.9, 0.0, 0.0, 1.0 },
+ { 0, 1, 0, 1 },
+ { -1, 0, 0, 1 } },
+};
+
+static float constants[] =
+{ 0.4, 0, 0, 1,
+ 1, 1, 1, 1,
+ 2, 2, 2, 2,
+ 4, 8, 16, 32,
+
+ 3, 0, 0, 0,
+ 0, .5, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+
+ 1, 0, 0, 0.5,
+ 0, 1, 0, 0.5,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+};
+
+static void init_fs_constbuf( void )
+{
+ struct pipe_resource templat;
+ struct pipe_box box;
+
+ templat.target = PIPE_BUFFER;
+ templat.format = PIPE_FORMAT_R8_UNORM;
+ templat.width0 = sizeof(constants);
+ templat.height0 = 1;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_CONSTANT_BUFFER;
+
+ constbuf = screen->resource_create(screen,
+ &templat);
+ if (constbuf == NULL)
+ exit(4);
+
+
+ u_box_2d(0,0,sizeof(constants),1, &box);
+
+ ctx->transfer_inline_write(ctx,
+ constbuf,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ constants,
+ sizeof constants,
+ sizeof constants);
+
+
+ ctx->set_constant_buffer(ctx,
+ PIPE_SHADER_FRAGMENT, 0,
+ constbuf);
+}
+
+
+static void set_viewport( float x, float y,
+ float width, float height,
+ float near, float far)
+{
+ float z = far;
+ float half_width = (float)width / 2.0f;
+ float half_height = (float)height / 2.0f;
+ float half_depth = ((float)far - (float)near) / 2.0f;
+ struct pipe_viewport_state vp;
+
+ vp.scale[0] = half_width;
+ vp.scale[1] = half_height;
+ vp.scale[2] = half_depth;
+ vp.scale[3] = 1.0f;
+
+ vp.translate[0] = half_width + x;
+ vp.translate[1] = half_height + y;
+ vp.translate[2] = half_depth + z;
+ vp.translate[3] = 0.0f;
+
+ ctx->set_viewport_state( ctx, &vp );
+}
+
+static void set_vertices( void )
+{
+ struct pipe_vertex_element ve[3];
+ struct pipe_vertex_buffer vbuf;
+ void *handle;
+
+ memset(ve, 0, sizeof ve);
+
+ ve[0].src_offset = Offset(struct vertex, position);
+ ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ ve[1].src_offset = Offset(struct vertex, color);
+ ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ ve[2].src_offset = Offset(struct vertex, texcoord);
+ ve[2].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+ handle = ctx->create_vertex_elements_state(ctx, 3, ve);
+ ctx->bind_vertex_elements_state(ctx, handle);
+
+
+ vbuf.stride = sizeof( struct vertex );
+ vbuf.max_index = sizeof(vertices) / vbuf.stride;
+ vbuf.buffer_offset = 0;
+ vbuf.buffer = screen->user_buffer_create(screen,
+ vertices,
+ sizeof(vertices),
+ PIPE_BIND_VERTEX_BUFFER);
+
+ ctx->set_vertex_buffers(ctx, 1, &vbuf);
+}
+
+static void set_vertex_shader( void )
+{
+ void *handle;
+ const char *text =
+ "VERT\n"
+ "DCL IN[0]\n"
+ "DCL IN[1]\n"
+ "DCL IN[2]\n"
+ "DCL OUT[0], POSITION\n"
+ "DCL OUT[1], COLOR[0]\n"
+ "DCL OUT[2], GENERIC[0]\n"
+ " MOV OUT[0], IN[0]\n"
+ " MOV OUT[1], IN[1]\n"
+ " MOV OUT[2], IN[2]\n"
+ " END\n";
+
+ handle = graw_parse_vertex_shader(ctx, text);
+ ctx->bind_vs_state(ctx, handle);
+}
+
+static void set_fragment_shader( const char *filename )
+{
+ FILE *f;
+ char buf[50000];
+ void *handle;
+ int sz;
+
+ if ((f = fopen(filename, "r")) == NULL) {
+ fprintf(stderr, "Couldn't open %s\n", filename);
+ exit(1);
+ }
+
+ sz = fread(buf, 1, sizeof(buf), f);
+ if (!feof(f)) {
+ printf("file too long\n");
+ exit(1);
+ }
+ printf("%.*s\n", sz, buf);
+ buf[sz] = 0;
+
+ handle = graw_parse_fragment_shader(ctx, buf);
+ ctx->bind_fs_state(ctx, handle);
+}
+
+
+static void draw( void )
+{
+ float clear_color[4] = {.1,.3,.5,0};
+
+ ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
+ ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLES, 0, 3);
+ ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+#if 0
+ /* At the moment, libgraw leaks out/makes available some of the
+ * symbols from gallium/auxiliary, including these debug helpers.
+ * Will eventually want to bless some of these paths, and lock the
+ * others down so they aren't accessible from test programs.
+ *
+ * This currently just happens to work on debug builds - a release
+ * build will probably fail to link here:
+ */
+ debug_dump_surface_bmp(ctx, "result.bmp", surf);
+#endif
+
+ screen->flush_frontbuffer(screen, surf, window);
+}
+
+#define SIZE 16
+
+static void init_tex( void )
+{
+ struct pipe_sampler_view sv_template;
+ struct pipe_sampler_state sampler_desc;
+ struct pipe_resource templat;
+ struct pipe_box box;
+ ubyte tex2d[SIZE][SIZE][4];
+ int s, t;
+
+#if (SIZE != 2)
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+ if (0) {
+ int x = (s ^ t) & 1;
+ tex2d[t][s][0] = (x) ? 0 : 63;
+ tex2d[t][s][1] = (x) ? 0 : 128;
+ tex2d[t][s][2] = 0;
+ tex2d[t][s][3] = 0xff;
+ }
+ else {
+ int x = ((s ^ t) >> 2) & 1;
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = (x) ? 0 : 128;
+ tex2d[t][s][3] = 0xff;
+ }
+ }
+ }
+#else
+ tex2d[0][0][0] = 0;
+ tex2d[0][0][1] = 255;
+ tex2d[0][0][2] = 255;
+ tex2d[0][0][3] = 0;
+
+ tex2d[0][1][0] = 0;
+ tex2d[0][1][1] = 0;
+ tex2d[0][1][2] = 255;
+ tex2d[0][1][3] = 255;
+
+ tex2d[1][0][0] = 255;
+ tex2d[1][0][1] = 255;
+ tex2d[1][0][2] = 0;
+ tex2d[1][0][3] = 255;
+
+ tex2d[1][1][0] = 255;
+ tex2d[1][1][1] = 0;
+ tex2d[1][1][2] = 0;
+ tex2d[1][1][3] = 255;
+#endif
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
+ templat.width0 = SIZE;
+ templat.height0 = SIZE;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_SAMPLER_VIEW;
+
+
+ samptex = screen->resource_create(screen,
+ &templat);
+ if (samptex == NULL)
+ exit(4);
+
+ u_box_2d(0,0,SIZE,SIZE, &box);
+
+ ctx->transfer_inline_write(ctx,
+ samptex,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ tex2d,
+ sizeof tex2d[0],
+ sizeof tex2d);
+
+ /* Possibly read back & compare against original data:
+ */
+ if (0)
+ {
+ struct pipe_transfer *t;
+ uint32_t *ptr;
+ t = pipe_get_transfer(ctx, samptex,
+ 0, 0, 0, /* face, level, zslice */
+ PIPE_TRANSFER_READ,
+ 0, 0, SIZE, SIZE); /* x, y, width, height */
+
+ ptr = ctx->transfer_map(ctx, t);
+
+ if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
+ assert(0);
+ exit(9);
+ }
+
+ ctx->transfer_unmap(ctx, t);
+
+ ctx->transfer_destroy(ctx, t);
+ }
+
+ memset(&sv_template, 0, sizeof sv_template);
+ sv_template.format = samptex->format;
+ sv_template.texture = samptex;
+ sv_template.first_level = 0;
+ sv_template.last_level = 0;
+ sv_template.swizzle_r = 0;
+ sv_template.swizzle_g = 1;
+ sv_template.swizzle_b = 2;
+ sv_template.swizzle_a = 3;
+ sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
+ if (sv == NULL)
+ exit(5);
+
+ ctx->set_fragment_sampler_views(ctx, 1, &sv);
+
+
+ memset(&sampler_desc, 0, sizeof sampler_desc);
+ sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
+ sampler_desc.compare_func = 0;
+ sampler_desc.normalized_coords = 1;
+ sampler_desc.max_anisotropy = 0;
+
+ sampler = ctx->create_sampler_state(ctx, &sampler_desc);
+ if (sampler == NULL)
+ exit(6);
+
+ ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
+
+}
+
+static void init( void )
+{
+ struct pipe_framebuffer_state fb;
+ struct pipe_resource templat;
+ int i;
+
+ /* It's hard to say whether window or screen should be created
+ * first. Different environments would prefer one or the other.
+ *
+ * Also, no easy way of querying supported formats if the screen
+ * cannot be created first.
+ */
+ for (i = 0;
+ window == NULL && formats[i] != PIPE_FORMAT_NONE;
+ i++) {
+
+ screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
+ formats[i],
+ &window);
+ }
+
+ ctx = screen->context_create(screen, NULL);
+ if (ctx == NULL)
+ exit(3);
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = formats[i];
+ templat.width0 = WIDTH;
+ templat.height0 = HEIGHT;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = (PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+
+ rttex = screen->resource_create(screen,
+ &templat);
+ if (rttex == NULL)
+ exit(4);
+
+ surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+ if (surf == NULL)
+ exit(5);
+
+ memset(&fb, 0, sizeof fb);
+ fb.nr_cbufs = 1;
+ fb.width = WIDTH;
+ fb.height = HEIGHT;
+ fb.cbufs[0] = surf;
+
+ ctx->set_framebuffer_state(ctx, &fb);
+
+ {
+ struct pipe_blend_state blend;
+ void *handle;
+ memset(&blend, 0, sizeof blend);
+ blend.rt[0].colormask = PIPE_MASK_RGBA;
+ handle = ctx->create_blend_state(ctx, &blend);
+ ctx->bind_blend_state(ctx, handle);
+ }
+
+ {
+ struct pipe_depth_stencil_alpha_state depthstencil;
+ void *handle;
+ memset(&depthstencil, 0, sizeof depthstencil);
+ handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
+ ctx->bind_depth_stencil_alpha_state(ctx, handle);
+ }
+
+ {
+ struct pipe_rasterizer_state rasterizer;
+ void *handle;
+ memset(&rasterizer, 0, sizeof rasterizer);
+ rasterizer.cull_face = PIPE_FACE_NONE;
+ rasterizer.gl_rasterization_rules = 1;
+ handle = ctx->create_rasterizer_state(ctx, &rasterizer);
+ ctx->bind_rasterizer_state(ctx, handle);
+ }
+
+ set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
+
+ init_tex();
+ init_fs_constbuf();
+
+ set_vertices();
+ set_vertex_shader();
+ set_fragment_shader(filename);
+}
+
+static void args(int argc, char *argv[])
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-fps") == 0) {
+ show_fps = 1;
+ }
+ else if (i == argc - 1) {
+ filename = argv[i];
+ }
+ else {
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (!filename) {
+ usage(argv[0]);
+ exit(1);
+ }
+}
+
+int main( int argc, char *argv[] )
+{
+ args(argc,argv);
+ init();
+
+ graw_set_display_func( draw );
+ graw_main_loop();
+ return 0;
+}
--- /dev/null
+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
+
+MOV OUT[0], IN[0][0]
+ADD OUT[1], IN[0][1], IN[1][1]
+EMIT
+
+MOV OUT[0], IN[1][0]
+ADD OUT[1], IN[1][1], IN[2][1]
+EMIT
+
+MOV OUT[0], IN[2][0]
+ADD OUT[1], IN[2][1], IN[0][1]
+EMIT
+
+ENDPRIM
+
+END
--- /dev/null
+GEOM
+PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
+PROPERTY GS_OUTPUT_PRIMITIVE LINE_STRIP
+DCL IN[][0], POSITION, CONSTANT
+DCL IN[][1], COLOR, CONSTANT
+DCL OUT[0], POSITION, CONSTANT
+DCL OUT[1], COLOR, CONSTANT
+
+MOV OUT[0], IN[0][0]
+ADD OUT[1], IN[0][1], IN[0][1]
+EMIT
+
+MOV OUT[0], IN[1][0]
+ADD OUT[1], IN[1][1], IN[1][1]
+EMIT
+
+MOV OUT[0], IN[2][0]
+ADD OUT[1], IN[2][1], IN[2][1]
+EMIT
+
+ENDPRIM
+
+END
--- /dev/null
+GEOM
+PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
+PROPERTY GS_OUTPUT_PRIMITIVE LINES
+DCL IN[][0], POSITION, CONSTANT
+DCL IN[][1], COLOR, CONSTANT
+DCL OUT[0], POSITION, CONSTANT
+DCL OUT[1], COLOR, CONSTANT
+
+MOV OUT[0], IN[0][0]
+MOV OUT[1], IN[0][1]
+EMIT
+
+MOV OUT[0], IN[1][0]
+MOV OUT[1], IN[0][1]
+EMIT
+
+MOV OUT[0], IN[2][0]
+MOV OUT[1], IN[2][1]
+EMIT
+
+MOV OUT[0], IN[0][0]
+MOV OUT[1], IN[0][1]
+EMIT
+
+ENDPRIM
+
+END
--- /dev/null
+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
+
+MOV OUT[0], IN[0][0]
+MOV OUT[1], IN[0][1]
+EMIT
+
+MOV OUT[0], IN[1][0]
+MOV OUT[1], IN[0][1]
+EMIT
+
+MOV OUT[0], IN[2][0]
+MOV OUT[1], IN[2][1]
+EMIT
+
+ENDPRIM
+
+END
--- /dev/null
+/* Display a cleared blue window. This demo has no dependencies on
+ * any utility code, just the graw interface and gallium.
+ */
+
+#include "state_tracker/graw.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include <stdio.h> /* for fread(), etc */
+
+#include "util/u_debug.h" /* debug_dump_surface_bmp() */
+#include "util/u_inlines.h"
+#include "util/u_memory.h" /* Offset() */
+#include "util/u_box.h"
+
+static const char *filename = NULL;
+unsigned show_fps = 0;
+
+
+static void usage(char *name)
+{
+ fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
+#ifndef WIN32
+ fprintf(stderr, "\n" );
+ fprintf(stderr, "options:\n");
+ fprintf(stderr, " -fps show frames per second\n");
+#endif
+}
+
+
+enum pipe_format formats[] = {
+ PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_B8G8R8A8_UNORM,
+ PIPE_FORMAT_NONE
+};
+
+static const int WIDTH = 250;
+static const int HEIGHT = 250;
+
+static struct pipe_screen *screen = NULL;
+static struct pipe_context *ctx = NULL;
+static struct pipe_resource *rttex = NULL;
+static struct pipe_resource *constbuf = NULL;
+static struct pipe_surface *surf = NULL;
+static struct pipe_sampler_view *sv = NULL;
+static void *sampler = NULL;
+static void *window = NULL;
+static struct pipe_resource *samptex = NULL;
+
+struct vertex {
+ float position[4];
+ float color[4];
+ float texcoord[4];
+};
+
+/* Vertex data matches progs/fp/fp-tri.c, but flipped in Y dimension
+ * so that the final images are the same.
+ */
+static struct vertex vertices[] =
+{
+ { { 0.9, 0.9, 0.0, 1.0 },
+ { 0, 0, 1, 1 },
+ { 1, 1, 0, 1 } },
+
+ { { 0.9, -0.9, 0.0, 1.0 },
+ { 1, 0, 0, 1 },
+ { 1, -1, 0, 1 } },
+
+ { {-0.9, 0.0, 0.0, 1.0 },
+ { 0, 1, 0, 1 },
+ { -1, 0, 0, 1 } },
+};
+
+static float constants[] =
+{ 0.4, 0, 0, 1,
+ 1, 1, 1, 1,
+ 2, 2, 2, 2,
+ 4, 8, 16, 32,
+
+ 3, 0, 0, 0,
+ 0, .5, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+
+ 1, 0, 0, 0.5,
+ 0, 1, 0, 0.5,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+};
+
+static void init_fs_constbuf( void )
+{
+ struct pipe_resource templat;
+ struct pipe_box box;
+
+ templat.target = PIPE_BUFFER;
+ templat.format = PIPE_FORMAT_R8_UNORM;
+ templat.width0 = sizeof(constants);
+ templat.height0 = 1;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_CONSTANT_BUFFER;
+
+ constbuf = screen->resource_create(screen,
+ &templat);
+ if (constbuf == NULL)
+ exit(4);
+
+
+ u_box_2d(0,0,sizeof(constants),1, &box);
+
+ ctx->transfer_inline_write(ctx,
+ constbuf,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ constants,
+ sizeof constants,
+ sizeof constants);
+
+
+ ctx->set_constant_buffer(ctx,
+ PIPE_SHADER_FRAGMENT, 0,
+ constbuf);
+}
+
+
+static void set_viewport( float x, float y,
+ float width, float height,
+ float near, float far)
+{
+ float z = far;
+ float half_width = (float)width / 2.0f;
+ float half_height = (float)height / 2.0f;
+ float half_depth = ((float)far - (float)near) / 2.0f;
+ struct pipe_viewport_state vp;
+
+ vp.scale[0] = half_width;
+ vp.scale[1] = half_height;
+ vp.scale[2] = half_depth;
+ vp.scale[3] = 1.0f;
+
+ vp.translate[0] = half_width + x;
+ vp.translate[1] = half_height + y;
+ vp.translate[2] = half_depth + z;
+ vp.translate[3] = 0.0f;
+
+ ctx->set_viewport_state( ctx, &vp );
+}
+
+static void set_vertices( void )
+{
+ struct pipe_vertex_element ve[3];
+ struct pipe_vertex_buffer vbuf;
+ void *handle;
+
+ memset(ve, 0, sizeof ve);
+
+ ve[0].src_offset = Offset(struct vertex, position);
+ ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ ve[1].src_offset = Offset(struct vertex, color);
+ ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ ve[2].src_offset = Offset(struct vertex, texcoord);
+ ve[2].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+ handle = ctx->create_vertex_elements_state(ctx, 3, ve);
+ ctx->bind_vertex_elements_state(ctx, handle);
+
+
+ vbuf.stride = sizeof( struct vertex );
+ vbuf.max_index = sizeof(vertices) / vbuf.stride;
+ vbuf.buffer_offset = 0;
+ vbuf.buffer = screen->user_buffer_create(screen,
+ vertices,
+ sizeof(vertices),
+ PIPE_BIND_VERTEX_BUFFER);
+
+ ctx->set_vertex_buffers(ctx, 1, &vbuf);
+}
+
+static void set_vertex_shader( void )
+{
+ void *handle;
+ const char *text =
+ "VERT\n"
+ "DCL IN[0]\n"
+ "DCL IN[1]\n"
+ "DCL IN[2]\n"
+ "DCL OUT[0], POSITION\n"
+ "DCL OUT[1], COLOR[0]\n"
+ "DCL OUT[2], GENERIC[0]\n"
+ " MOV OUT[0], IN[0]\n"
+ " MOV OUT[1], IN[1]\n"
+ " MOV OUT[2], IN[2]\n"
+ " END\n";
+
+ handle = graw_parse_vertex_shader(ctx, text);
+ ctx->bind_vs_state(ctx, handle);
+}
+
+static void set_fragment_shader( void )
+{
+ void *handle;
+ const char *text =
+ "FRAG\n"
+ "DCL IN[0], COLOR, LINEAR\n"
+ "DCL OUT[0], COLOR\n"
+ " 0: MOV OUT[0], IN[0]\n"
+ " 1: END\n";
+
+ handle = graw_parse_fragment_shader(ctx, text);
+ ctx->bind_fs_state(ctx, handle);
+}
+
+
+static void set_geometry_shader( void )
+{
+ FILE *f;
+ char buf[50000];
+ void *handle;
+ int sz;
+
+ if ((f = fopen(filename, "r")) == NULL) {
+ fprintf(stderr, "Couldn't open %s\n", filename);
+ exit(1);
+ }
+
+ sz = fread(buf, 1, sizeof(buf), f);
+ if (!feof(f)) {
+ printf("file too long\n");
+ exit(1);
+ }
+ printf("%.*s\n", sz, buf);
+ buf[sz] = 0;
+
+ handle = graw_parse_geometry_shader(ctx, buf);
+ ctx->bind_gs_state(ctx, handle);
+}
+
+
+static void draw( void )
+{
+ float clear_color[4] = {.1,.3,.5,0};
+
+ ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
+ ctx->draw_arrays(ctx, PIPE_PRIM_TRIANGLES, 0, 3);
+ ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+#if 0
+ /* At the moment, libgraw leaks out/makes available some of the
+ * symbols from gallium/auxiliary, including these debug helpers.
+ * Will eventually want to bless some of these paths, and lock the
+ * others down so they aren't accessible from test programs.
+ *
+ * This currently just happens to work on debug builds - a release
+ * build will probably fail to link here:
+ */
+ debug_dump_surface_bmp(ctx, "result.bmp", surf);
+#endif
+
+ screen->flush_frontbuffer(screen, surf, window);
+}
+
+#define SIZE 16
+
+static void init_tex( void )
+{
+ struct pipe_sampler_view sv_template;
+ struct pipe_sampler_state sampler_desc;
+ struct pipe_resource templat;
+ struct pipe_box box;
+ ubyte tex2d[SIZE][SIZE][4];
+ int s, t;
+
+#if (SIZE != 2)
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+ if (0) {
+ int x = (s ^ t) & 1;
+ tex2d[t][s][0] = (x) ? 0 : 63;
+ tex2d[t][s][1] = (x) ? 0 : 128;
+ tex2d[t][s][2] = 0;
+ tex2d[t][s][3] = 0xff;
+ }
+ else {
+ int x = ((s ^ t) >> 2) & 1;
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = (x) ? 0 : 128;
+ tex2d[t][s][3] = 0xff;
+ }
+ }
+ }
+#else
+ tex2d[0][0][0] = 0;
+ tex2d[0][0][1] = 255;
+ tex2d[0][0][2] = 255;
+ tex2d[0][0][3] = 0;
+
+ tex2d[0][1][0] = 0;
+ tex2d[0][1][1] = 0;
+ tex2d[0][1][2] = 255;
+ tex2d[0][1][3] = 255;
+
+ tex2d[1][0][0] = 255;
+ tex2d[1][0][1] = 255;
+ tex2d[1][0][2] = 0;
+ tex2d[1][0][3] = 255;
+
+ tex2d[1][1][0] = 255;
+ tex2d[1][1][1] = 0;
+ tex2d[1][1][2] = 0;
+ tex2d[1][1][3] = 255;
+#endif
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
+ templat.width0 = SIZE;
+ templat.height0 = SIZE;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_SAMPLER_VIEW;
+
+
+ samptex = screen->resource_create(screen,
+ &templat);
+ if (samptex == NULL)
+ exit(4);
+
+ u_box_2d(0,0,SIZE,SIZE, &box);
+
+ ctx->transfer_inline_write(ctx,
+ samptex,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ tex2d,
+ sizeof tex2d[0],
+ sizeof tex2d);
+
+ /* Possibly read back & compare against original data:
+ */
+ if (0)
+ {
+ struct pipe_transfer *t;
+ uint32_t *ptr;
+ t = pipe_get_transfer(ctx, samptex,
+ 0, 0, 0, /* face, level, zslice */
+ PIPE_TRANSFER_READ,
+ 0, 0, SIZE, SIZE); /* x, y, width, height */
+
+ ptr = ctx->transfer_map(ctx, t);
+
+ if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
+ assert(0);
+ exit(9);
+ }
+
+ ctx->transfer_unmap(ctx, t);
+
+ ctx->transfer_destroy(ctx, t);
+ }
+
+ memset(&sv_template, 0, sizeof sv_template);
+ sv_template.format = samptex->format;
+ sv_template.texture = samptex;
+ sv_template.first_level = 0;
+ sv_template.last_level = 0;
+ sv_template.swizzle_r = 0;
+ sv_template.swizzle_g = 1;
+ sv_template.swizzle_b = 2;
+ sv_template.swizzle_a = 3;
+ sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
+ if (sv == NULL)
+ exit(5);
+
+ ctx->set_fragment_sampler_views(ctx, 1, &sv);
+
+
+ memset(&sampler_desc, 0, sizeof sampler_desc);
+ sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
+ sampler_desc.compare_func = 0;
+ sampler_desc.normalized_coords = 1;
+ sampler_desc.max_anisotropy = 0;
+
+ sampler = ctx->create_sampler_state(ctx, &sampler_desc);
+ if (sampler == NULL)
+ exit(6);
+
+ ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
+
+}
+
+static void init( void )
+{
+ struct pipe_framebuffer_state fb;
+ struct pipe_resource templat;
+ int i;
+
+ /* It's hard to say whether window or screen should be created
+ * first. Different environments would prefer one or the other.
+ *
+ * Also, no easy way of querying supported formats if the screen
+ * cannot be created first.
+ */
+ for (i = 0;
+ window == NULL && formats[i] != PIPE_FORMAT_NONE;
+ i++) {
+
+ screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
+ formats[i],
+ &window);
+ }
+
+ ctx = screen->context_create(screen, NULL);
+ if (ctx == NULL)
+ exit(3);
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = formats[i];
+ templat.width0 = WIDTH;
+ templat.height0 = HEIGHT;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = (PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+
+ rttex = screen->resource_create(screen,
+ &templat);
+ if (rttex == NULL)
+ exit(4);
+
+ surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+ if (surf == NULL)
+ exit(5);
+
+ memset(&fb, 0, sizeof fb);
+ fb.nr_cbufs = 1;
+ fb.width = WIDTH;
+ fb.height = HEIGHT;
+ fb.cbufs[0] = surf;
+
+ ctx->set_framebuffer_state(ctx, &fb);
+
+ {
+ struct pipe_blend_state blend;
+ void *handle;
+ memset(&blend, 0, sizeof blend);
+ blend.rt[0].colormask = PIPE_MASK_RGBA;
+ handle = ctx->create_blend_state(ctx, &blend);
+ ctx->bind_blend_state(ctx, handle);
+ }
+
+ {
+ struct pipe_depth_stencil_alpha_state depthstencil;
+ void *handle;
+ memset(&depthstencil, 0, sizeof depthstencil);
+ handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
+ ctx->bind_depth_stencil_alpha_state(ctx, handle);
+ }
+
+ {
+ struct pipe_rasterizer_state rasterizer;
+ void *handle;
+ memset(&rasterizer, 0, sizeof rasterizer);
+ rasterizer.cull_face = PIPE_FACE_NONE;
+ rasterizer.gl_rasterization_rules = 1;
+ handle = ctx->create_rasterizer_state(ctx, &rasterizer);
+ ctx->bind_rasterizer_state(ctx, handle);
+ }
+
+ set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
+
+ init_tex();
+ init_fs_constbuf();
+
+ set_vertices();
+ set_vertex_shader();
+ set_fragment_shader();
+ set_geometry_shader();
+}
+
+static void args(int argc, char *argv[])
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-fps") == 0) {
+ show_fps = 1;
+ }
+ else if (i == argc - 1) {
+ filename = argv[i];
+ }
+ else {
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (!filename) {
+ usage(argv[0]);
+ exit(1);
+ }
+}
+
+int main( int argc, char *argv[] )
+{
+ args(argc,argv);
+ init();
+
+ graw_set_display_func( draw );
+ graw_main_loop();
+ return 0;
+}
+++ /dev/null
-/* Display a cleared blue window. This demo has no dependencies on
- * any utility code, just the graw interface and gallium.
- */
-
-#include "state_tracker/graw.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-
-#include <stdio.h> /* for fread(), etc */
-
-#include "util/u_debug.h" /* debug_dump_surface_bmp() */
-#include "util/u_inlines.h"
-#include "util/u_memory.h" /* Offset() */
-#include "util/u_box.h"
-
-static const char *filename = NULL;
-unsigned show_fps = 0;
-
-
-static void usage(char *name)
-{
- fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
-#ifndef WIN32
- fprintf(stderr, "\n" );
- fprintf(stderr, "options:\n");
- fprintf(stderr, " -fps show frames per second\n");
-#endif
-}
-
-
-enum pipe_format formats[] = {
- PIPE_FORMAT_R8G8B8A8_UNORM,
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_NONE
-};
-
-static const int WIDTH = 250;
-static const int HEIGHT = 250;
-
-static struct pipe_screen *screen = NULL;
-static struct pipe_context *ctx = NULL;
-static struct pipe_resource *rttex = NULL;
-static struct pipe_resource *constbuf = NULL;
-static struct pipe_surface *surf = NULL;
-static struct pipe_sampler_view *sv = NULL;
-static void *sampler = NULL;
-static void *window = NULL;
-static struct pipe_resource *samptex = NULL;
-
-struct vertex {
- float position[4];
- float color[3];
-};
-
-/* Draw a regular mesh
- */
-#define MESH_SZ 16
-static struct vertex vertices[MESH_SZ * MESH_SZ];
-
-static float constants[] =
-{ 0.4, 0, 0, 1,
- 1, 1, 1, 1,
- 2, 2, 2, 2,
- 4, 8, 16, 32,
-
- 3, 0, 0, 0,
- 0, .5, 0, 0,
- 0, 0, 1, 0,
- 0, 0, 0, 1,
-
- 1, 0, 0, 0.5,
- 0, 1, 0, 0.5,
- 0, 0, 1, 0,
- 0, 0, 0, 1,
-};
-
-static void init_fs_constbuf( void )
-{
- struct pipe_resource templat;
- struct pipe_box box;
-
- templat.target = PIPE_BUFFER;
- templat.format = PIPE_FORMAT_R8_UNORM;
- templat.width0 = sizeof(constants);
- templat.height0 = 1;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = PIPE_BIND_CONSTANT_BUFFER;
-
- constbuf = screen->resource_create(screen,
- &templat);
- if (constbuf == NULL)
- exit(4);
-
-
- u_box_2d(0,0,sizeof(constants),1, &box);
-
- ctx->transfer_inline_write(ctx,
- constbuf,
- u_subresource(0,0),
- PIPE_TRANSFER_WRITE,
- &box,
- constants,
- sizeof constants,
- sizeof constants);
-
-
- ctx->set_constant_buffer(ctx,
- PIPE_SHADER_FRAGMENT, 0,
- constbuf);
-}
-
-
-static void set_viewport( float x, float y,
- float width, float height,
- float near, float far)
-{
- float z = far;
- float half_width = (float)width / 2.0f;
- float half_height = (float)height / 2.0f;
- float half_depth = ((float)far - (float)near) / 2.0f;
- struct pipe_viewport_state vp;
-
- vp.scale[0] = half_width;
- vp.scale[1] = half_height;
- vp.scale[2] = half_depth;
- vp.scale[3] = 1.0f;
-
- vp.translate[0] = half_width + x;
- vp.translate[1] = half_height + y;
- vp.translate[2] = half_depth + z;
- vp.translate[3] = 0.0f;
-
- ctx->set_viewport_state( ctx, &vp );
-}
-
-static void set_vertices( void )
-{
- struct pipe_vertex_element ve[2];
- struct pipe_vertex_buffer vbuf;
- void *handle;
- int x,y;
-
- memset(ve, 0, sizeof ve);
-
- ve[0].src_offset = Offset(struct vertex, position);
- ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- ve[1].src_offset = Offset(struct vertex, color);
- ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-
- handle = ctx->create_vertex_elements_state(ctx, 2, ve);
- ctx->bind_vertex_elements_state(ctx, handle);
-
- for (x = 0; x < MESH_SZ; x++) {
- for (y = 0; y < MESH_SZ; y++) {
- int i = y * MESH_SZ + x;
- vertices[i].position[0] = ((float)x)/MESH_SZ * 2.0 - 1.0;
- vertices[i].position[1] = ((float)y)/MESH_SZ * 2.0 - 1.0;
- vertices[i].position[2] = 0;
- vertices[i].position[3] = 1.0;
-
- vertices[i].color[0] = .5;
- vertices[i].color[1] = (float)x / (float)MESH_SZ;
- vertices[i].color[2] = (float)y / (float)MESH_SZ;
- }
- }
-
- vbuf.stride = sizeof( struct vertex );
- vbuf.max_index = sizeof(vertices) / vbuf.stride;
- vbuf.buffer_offset = 0;
- vbuf.buffer = screen->user_buffer_create(screen,
- vertices,
- sizeof(vertices),
- PIPE_BIND_VERTEX_BUFFER);
-
- ctx->set_vertex_buffers(ctx, 1, &vbuf);
-}
-
-static void set_vertex_shader( void )
-{
- FILE *f;
- char buf[50000];
- void *handle;
- int sz;
-
- if ((f = fopen(filename, "r")) == NULL) {
- fprintf(stderr, "Couldn't open %s\n", filename);
- exit(1);
- }
-
- sz = fread(buf, 1, sizeof(buf), f);
- if (!feof(f)) {
- printf("file too long\n");
- exit(1);
- }
- printf("%.*s\n", sz, buf);
- buf[sz] = 0;
-
- handle = graw_parse_vertex_shader(ctx, buf);
- ctx->bind_vs_state(ctx, handle);
-}
-
-static void set_fragment_shader( void )
-{
- void *handle;
- const char *text =
- "FRAG\n"
- "DCL IN[0], COLOR, LINEAR\n"
- "DCL OUT[0], COLOR\n"
- " 0: MOV OUT[0], IN[0]\n"
- " 1: END\n";
-
- handle = graw_parse_fragment_shader(ctx, text);
- ctx->bind_fs_state(ctx, handle);
-}
-
-
-
-static void draw( void )
-{
- float clear_color[4] = {.1,.3,.5,0};
-
- ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
- ctx->draw_arrays(ctx, PIPE_PRIM_POINTS, 0, Elements(vertices));
- ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
-
-#if 0
- /* At the moment, libgraw leaks out/makes available some of the
- * symbols from gallium/auxiliary, including these debug helpers.
- * Will eventually want to bless some of these paths, and lock the
- * others down so they aren't accessible from test programs.
- *
- * This currently just happens to work on debug builds - a release
- * build will probably fail to link here:
- */
- debug_dump_surface_bmp(ctx, "result.bmp", surf);
-#endif
-
- screen->flush_frontbuffer(screen, surf, window);
-}
-
-#define SIZE 16
-
-static void init_tex( void )
-{
- struct pipe_sampler_view sv_template;
- struct pipe_sampler_state sampler_desc;
- struct pipe_resource templat;
- struct pipe_box box;
- ubyte tex2d[SIZE][SIZE][4];
- int s, t;
-
-#if (SIZE != 2)
- for (s = 0; s < SIZE; s++) {
- for (t = 0; t < SIZE; t++) {
- if (0) {
- int x = (s ^ t) & 1;
- tex2d[t][s][0] = (x) ? 0 : 63;
- tex2d[t][s][1] = (x) ? 0 : 128;
- tex2d[t][s][2] = 0;
- tex2d[t][s][3] = 0xff;
- }
- else {
- int x = ((s ^ t) >> 2) & 1;
- tex2d[t][s][0] = s*255/(SIZE-1);
- tex2d[t][s][1] = t*255/(SIZE-1);
- tex2d[t][s][2] = (x) ? 0 : 128;
- tex2d[t][s][3] = 0xff;
- }
- }
- }
-#else
- tex2d[0][0][0] = 0;
- tex2d[0][0][1] = 255;
- tex2d[0][0][2] = 255;
- tex2d[0][0][3] = 0;
-
- tex2d[0][1][0] = 0;
- tex2d[0][1][1] = 0;
- tex2d[0][1][2] = 255;
- tex2d[0][1][3] = 255;
-
- tex2d[1][0][0] = 255;
- tex2d[1][0][1] = 255;
- tex2d[1][0][2] = 0;
- tex2d[1][0][3] = 255;
-
- tex2d[1][1][0] = 255;
- tex2d[1][1][1] = 0;
- tex2d[1][1][2] = 0;
- tex2d[1][1][3] = 255;
-#endif
-
- templat.target = PIPE_TEXTURE_2D;
- templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
- templat.width0 = SIZE;
- templat.height0 = SIZE;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = PIPE_BIND_SAMPLER_VIEW;
-
-
- samptex = screen->resource_create(screen,
- &templat);
- if (samptex == NULL)
- exit(4);
-
- u_box_2d(0,0,SIZE,SIZE, &box);
-
- ctx->transfer_inline_write(ctx,
- samptex,
- u_subresource(0,0),
- PIPE_TRANSFER_WRITE,
- &box,
- tex2d,
- sizeof tex2d[0],
- sizeof tex2d);
-
- /* Possibly read back & compare against original data:
- */
- if (0)
- {
- struct pipe_transfer *t;
- uint32_t *ptr;
- t = pipe_get_transfer(ctx, samptex,
- 0, 0, 0, /* face, level, zslice */
- PIPE_TRANSFER_READ,
- 0, 0, SIZE, SIZE); /* x, y, width, height */
-
- ptr = ctx->transfer_map(ctx, t);
-
- if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
- assert(0);
- exit(9);
- }
-
- ctx->transfer_unmap(ctx, t);
-
- ctx->transfer_destroy(ctx, t);
- }
-
- memset(&sv_template, 0, sizeof sv_template);
- sv_template.format = samptex->format;
- sv_template.texture = samptex;
- sv_template.first_level = 0;
- sv_template.last_level = 0;
- sv_template.swizzle_r = 0;
- sv_template.swizzle_g = 1;
- sv_template.swizzle_b = 2;
- sv_template.swizzle_a = 3;
- sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
- if (sv == NULL)
- exit(5);
-
- ctx->set_fragment_sampler_views(ctx, 1, &sv);
-
-
- memset(&sampler_desc, 0, sizeof sampler_desc);
- sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
- sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
- sampler_desc.compare_func = 0;
- sampler_desc.normalized_coords = 1;
- sampler_desc.max_anisotropy = 0;
-
- sampler = ctx->create_sampler_state(ctx, &sampler_desc);
- if (sampler == NULL)
- exit(6);
-
- ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
-
-}
-
-static void init( void )
-{
- struct pipe_framebuffer_state fb;
- struct pipe_resource templat;
- int i;
-
- /* It's hard to say whether window or screen should be created
- * first. Different environments would prefer one or the other.
- *
- * Also, no easy way of querying supported formats if the screen
- * cannot be created first.
- */
- for (i = 0;
- window == NULL && formats[i] != PIPE_FORMAT_NONE;
- i++) {
-
- screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
- formats[i],
- &window);
- }
-
- ctx = screen->context_create(screen, NULL);
- if (ctx == NULL)
- exit(3);
-
- templat.target = PIPE_TEXTURE_2D;
- templat.format = formats[i];
- templat.width0 = WIDTH;
- templat.height0 = HEIGHT;
- templat.depth0 = 1;
- templat.last_level = 0;
- templat.nr_samples = 1;
- templat.bind = (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET);
-
- rttex = screen->resource_create(screen,
- &templat);
- if (rttex == NULL)
- exit(4);
-
- surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
- PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET);
- if (surf == NULL)
- exit(5);
-
- memset(&fb, 0, sizeof fb);
- fb.nr_cbufs = 1;
- fb.width = WIDTH;
- fb.height = HEIGHT;
- fb.cbufs[0] = surf;
-
- ctx->set_framebuffer_state(ctx, &fb);
-
- {
- struct pipe_blend_state blend;
- void *handle;
- memset(&blend, 0, sizeof blend);
- blend.rt[0].colormask = PIPE_MASK_RGBA;
- handle = ctx->create_blend_state(ctx, &blend);
- ctx->bind_blend_state(ctx, handle);
- }
-
- {
- struct pipe_depth_stencil_alpha_state depthstencil;
- void *handle;
- memset(&depthstencil, 0, sizeof depthstencil);
- handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
- ctx->bind_depth_stencil_alpha_state(ctx, handle);
- }
-
- {
- struct pipe_rasterizer_state rasterizer;
- void *handle;
- memset(&rasterizer, 0, sizeof rasterizer);
- rasterizer.cull_face = PIPE_FACE_NONE;
- rasterizer.point_size = 8.0;
- rasterizer.gl_rasterization_rules = 1;
- handle = ctx->create_rasterizer_state(ctx, &rasterizer);
- ctx->bind_rasterizer_state(ctx, handle);
- }
-
- set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
-
- init_tex();
- init_fs_constbuf();
-
- set_vertices();
- set_vertex_shader();
- set_fragment_shader();
-}
-
-static void args(int argc, char *argv[])
-{
- int i;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-fps") == 0) {
- show_fps = 1;
- }
- else if (i == argc - 1) {
- filename = argv[i];
- }
- else {
- usage(argv[0]);
- exit(1);
- }
- }
-
- if (!filename) {
- usage(argv[0]);
- exit(1);
- }
-}
-
-int main( int argc, char *argv[] )
-{
- args(argc,argv);
- init();
-
- graw_set_display_func( draw );
- graw_main_loop();
- return 0;
-}
--- /dev/null
+/* Display a cleared blue window. This demo has no dependencies on
+ * any utility code, just the graw interface and gallium.
+ */
+
+#include "state_tracker/graw.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+
+#include <stdio.h> /* for fread(), etc */
+
+#include "util/u_debug.h" /* debug_dump_surface_bmp() */
+#include "util/u_inlines.h"
+#include "util/u_memory.h" /* Offset() */
+#include "util/u_box.h"
+
+static const char *filename = NULL;
+unsigned show_fps = 0;
+
+
+static void usage(char *name)
+{
+ fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
+#ifndef WIN32
+ fprintf(stderr, "\n" );
+ fprintf(stderr, "options:\n");
+ fprintf(stderr, " -fps show frames per second\n");
+#endif
+}
+
+
+enum pipe_format formats[] = {
+ PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_B8G8R8A8_UNORM,
+ PIPE_FORMAT_NONE
+};
+
+static const int WIDTH = 250;
+static const int HEIGHT = 250;
+
+static struct pipe_screen *screen = NULL;
+static struct pipe_context *ctx = NULL;
+static struct pipe_resource *rttex = NULL;
+static struct pipe_resource *constbuf = NULL;
+static struct pipe_surface *surf = NULL;
+static struct pipe_sampler_view *sv = NULL;
+static void *sampler = NULL;
+static void *window = NULL;
+static struct pipe_resource *samptex = NULL;
+
+struct vertex {
+ float position[4];
+ float color[3];
+};
+
+/* Draw a regular mesh
+ */
+#define MESH_SZ 16
+static struct vertex vertices[MESH_SZ * MESH_SZ];
+
+static float constants[] =
+{ 0.4, 0, 0, 1,
+ 1, 1, 1, 1,
+ 2, 2, 2, 2,
+ 4, 8, 16, 32,
+
+ 3, 0, 0, 0,
+ 0, .5, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+
+ 1, 0, 0, 0.5,
+ 0, 1, 0, 0.5,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1,
+};
+
+static void init_fs_constbuf( void )
+{
+ struct pipe_resource templat;
+ struct pipe_box box;
+
+ templat.target = PIPE_BUFFER;
+ templat.format = PIPE_FORMAT_R8_UNORM;
+ templat.width0 = sizeof(constants);
+ templat.height0 = 1;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_CONSTANT_BUFFER;
+
+ constbuf = screen->resource_create(screen,
+ &templat);
+ if (constbuf == NULL)
+ exit(4);
+
+
+ u_box_2d(0,0,sizeof(constants),1, &box);
+
+ ctx->transfer_inline_write(ctx,
+ constbuf,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ constants,
+ sizeof constants,
+ sizeof constants);
+
+
+ ctx->set_constant_buffer(ctx,
+ PIPE_SHADER_FRAGMENT, 0,
+ constbuf);
+}
+
+
+static void set_viewport( float x, float y,
+ float width, float height,
+ float near, float far)
+{
+ float z = far;
+ float half_width = (float)width / 2.0f;
+ float half_height = (float)height / 2.0f;
+ float half_depth = ((float)far - (float)near) / 2.0f;
+ struct pipe_viewport_state vp;
+
+ vp.scale[0] = half_width;
+ vp.scale[1] = half_height;
+ vp.scale[2] = half_depth;
+ vp.scale[3] = 1.0f;
+
+ vp.translate[0] = half_width + x;
+ vp.translate[1] = half_height + y;
+ vp.translate[2] = half_depth + z;
+ vp.translate[3] = 0.0f;
+
+ ctx->set_viewport_state( ctx, &vp );
+}
+
+static void set_vertices( void )
+{
+ struct pipe_vertex_element ve[2];
+ struct pipe_vertex_buffer vbuf;
+ void *handle;
+ int x,y;
+
+ memset(ve, 0, sizeof ve);
+
+ ve[0].src_offset = Offset(struct vertex, position);
+ ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ ve[1].src_offset = Offset(struct vertex, color);
+ ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+ handle = ctx->create_vertex_elements_state(ctx, 2, ve);
+ ctx->bind_vertex_elements_state(ctx, handle);
+
+ for (x = 0; x < MESH_SZ; x++) {
+ for (y = 0; y < MESH_SZ; y++) {
+ int i = y * MESH_SZ + x;
+ vertices[i].position[0] = ((float)x)/MESH_SZ * 2.0 - 1.0;
+ vertices[i].position[1] = ((float)y)/MESH_SZ * 2.0 - 1.0;
+ vertices[i].position[2] = 0;
+ vertices[i].position[3] = 1.0;
+
+ vertices[i].color[0] = .5;
+ vertices[i].color[1] = (float)x / (float)MESH_SZ;
+ vertices[i].color[2] = (float)y / (float)MESH_SZ;
+ }
+ }
+
+ vbuf.stride = sizeof( struct vertex );
+ vbuf.max_index = sizeof(vertices) / vbuf.stride;
+ vbuf.buffer_offset = 0;
+ vbuf.buffer = screen->user_buffer_create(screen,
+ vertices,
+ sizeof(vertices),
+ PIPE_BIND_VERTEX_BUFFER);
+
+ ctx->set_vertex_buffers(ctx, 1, &vbuf);
+}
+
+static void set_vertex_shader( void )
+{
+ FILE *f;
+ char buf[50000];
+ void *handle;
+ int sz;
+
+ if ((f = fopen(filename, "r")) == NULL) {
+ fprintf(stderr, "Couldn't open %s\n", filename);
+ exit(1);
+ }
+
+ sz = fread(buf, 1, sizeof(buf), f);
+ if (!feof(f)) {
+ printf("file too long\n");
+ exit(1);
+ }
+ printf("%.*s\n", sz, buf);
+ buf[sz] = 0;
+
+ handle = graw_parse_vertex_shader(ctx, buf);
+ ctx->bind_vs_state(ctx, handle);
+}
+
+static void set_fragment_shader( void )
+{
+ void *handle;
+ const char *text =
+ "FRAG\n"
+ "DCL IN[0], COLOR, LINEAR\n"
+ "DCL OUT[0], COLOR\n"
+ " 0: MOV OUT[0], IN[0]\n"
+ " 1: END\n";
+
+ handle = graw_parse_fragment_shader(ctx, text);
+ ctx->bind_fs_state(ctx, handle);
+}
+
+
+
+static void draw( void )
+{
+ float clear_color[4] = {.1,.3,.5,0};
+
+ ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
+ ctx->draw_arrays(ctx, PIPE_PRIM_POINTS, 0, Elements(vertices));
+ ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+#if 0
+ /* At the moment, libgraw leaks out/makes available some of the
+ * symbols from gallium/auxiliary, including these debug helpers.
+ * Will eventually want to bless some of these paths, and lock the
+ * others down so they aren't accessible from test programs.
+ *
+ * This currently just happens to work on debug builds - a release
+ * build will probably fail to link here:
+ */
+ debug_dump_surface_bmp(ctx, "result.bmp", surf);
+#endif
+
+ screen->flush_frontbuffer(screen, surf, window);
+}
+
+#define SIZE 16
+
+static void init_tex( void )
+{
+ struct pipe_sampler_view sv_template;
+ struct pipe_sampler_state sampler_desc;
+ struct pipe_resource templat;
+ struct pipe_box box;
+ ubyte tex2d[SIZE][SIZE][4];
+ int s, t;
+
+#if (SIZE != 2)
+ for (s = 0; s < SIZE; s++) {
+ for (t = 0; t < SIZE; t++) {
+ if (0) {
+ int x = (s ^ t) & 1;
+ tex2d[t][s][0] = (x) ? 0 : 63;
+ tex2d[t][s][1] = (x) ? 0 : 128;
+ tex2d[t][s][2] = 0;
+ tex2d[t][s][3] = 0xff;
+ }
+ else {
+ int x = ((s ^ t) >> 2) & 1;
+ tex2d[t][s][0] = s*255/(SIZE-1);
+ tex2d[t][s][1] = t*255/(SIZE-1);
+ tex2d[t][s][2] = (x) ? 0 : 128;
+ tex2d[t][s][3] = 0xff;
+ }
+ }
+ }
+#else
+ tex2d[0][0][0] = 0;
+ tex2d[0][0][1] = 255;
+ tex2d[0][0][2] = 255;
+ tex2d[0][0][3] = 0;
+
+ tex2d[0][1][0] = 0;
+ tex2d[0][1][1] = 0;
+ tex2d[0][1][2] = 255;
+ tex2d[0][1][3] = 255;
+
+ tex2d[1][0][0] = 255;
+ tex2d[1][0][1] = 255;
+ tex2d[1][0][2] = 0;
+ tex2d[1][0][3] = 255;
+
+ tex2d[1][1][0] = 255;
+ tex2d[1][1][1] = 0;
+ tex2d[1][1][2] = 0;
+ tex2d[1][1][3] = 255;
+#endif
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
+ templat.width0 = SIZE;
+ templat.height0 = SIZE;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = PIPE_BIND_SAMPLER_VIEW;
+
+
+ samptex = screen->resource_create(screen,
+ &templat);
+ if (samptex == NULL)
+ exit(4);
+
+ u_box_2d(0,0,SIZE,SIZE, &box);
+
+ ctx->transfer_inline_write(ctx,
+ samptex,
+ u_subresource(0,0),
+ PIPE_TRANSFER_WRITE,
+ &box,
+ tex2d,
+ sizeof tex2d[0],
+ sizeof tex2d);
+
+ /* Possibly read back & compare against original data:
+ */
+ if (0)
+ {
+ struct pipe_transfer *t;
+ uint32_t *ptr;
+ t = pipe_get_transfer(ctx, samptex,
+ 0, 0, 0, /* face, level, zslice */
+ PIPE_TRANSFER_READ,
+ 0, 0, SIZE, SIZE); /* x, y, width, height */
+
+ ptr = ctx->transfer_map(ctx, t);
+
+ if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
+ assert(0);
+ exit(9);
+ }
+
+ ctx->transfer_unmap(ctx, t);
+
+ ctx->transfer_destroy(ctx, t);
+ }
+
+ memset(&sv_template, 0, sizeof sv_template);
+ sv_template.format = samptex->format;
+ sv_template.texture = samptex;
+ sv_template.first_level = 0;
+ sv_template.last_level = 0;
+ sv_template.swizzle_r = 0;
+ sv_template.swizzle_g = 1;
+ sv_template.swizzle_b = 2;
+ sv_template.swizzle_a = 3;
+ sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
+ if (sv == NULL)
+ exit(5);
+
+ ctx->set_fragment_sampler_views(ctx, 1, &sv);
+
+
+ memset(&sampler_desc, 0, sizeof sampler_desc);
+ sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
+ sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
+ sampler_desc.compare_func = 0;
+ sampler_desc.normalized_coords = 1;
+ sampler_desc.max_anisotropy = 0;
+
+ sampler = ctx->create_sampler_state(ctx, &sampler_desc);
+ if (sampler == NULL)
+ exit(6);
+
+ ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
+
+}
+
+static void init( void )
+{
+ struct pipe_framebuffer_state fb;
+ struct pipe_resource templat;
+ int i;
+
+ /* It's hard to say whether window or screen should be created
+ * first. Different environments would prefer one or the other.
+ *
+ * Also, no easy way of querying supported formats if the screen
+ * cannot be created first.
+ */
+ for (i = 0;
+ window == NULL && formats[i] != PIPE_FORMAT_NONE;
+ i++) {
+
+ screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
+ formats[i],
+ &window);
+ }
+
+ ctx = screen->context_create(screen, NULL);
+ if (ctx == NULL)
+ exit(3);
+
+ templat.target = PIPE_TEXTURE_2D;
+ templat.format = formats[i];
+ templat.width0 = WIDTH;
+ templat.height0 = HEIGHT;
+ templat.depth0 = 1;
+ templat.last_level = 0;
+ templat.nr_samples = 1;
+ templat.bind = (PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+
+ rttex = screen->resource_create(screen,
+ &templat);
+ if (rttex == NULL)
+ exit(4);
+
+ surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET);
+ if (surf == NULL)
+ exit(5);
+
+ memset(&fb, 0, sizeof fb);
+ fb.nr_cbufs = 1;
+ fb.width = WIDTH;
+ fb.height = HEIGHT;
+ fb.cbufs[0] = surf;
+
+ ctx->set_framebuffer_state(ctx, &fb);
+
+ {
+ struct pipe_blend_state blend;
+ void *handle;
+ memset(&blend, 0, sizeof blend);
+ blend.rt[0].colormask = PIPE_MASK_RGBA;
+ handle = ctx->create_blend_state(ctx, &blend);
+ ctx->bind_blend_state(ctx, handle);
+ }
+
+ {
+ struct pipe_depth_stencil_alpha_state depthstencil;
+ void *handle;
+ memset(&depthstencil, 0, sizeof depthstencil);
+ handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
+ ctx->bind_depth_stencil_alpha_state(ctx, handle);
+ }
+
+ {
+ struct pipe_rasterizer_state rasterizer;
+ void *handle;
+ memset(&rasterizer, 0, sizeof rasterizer);
+ rasterizer.cull_face = PIPE_FACE_NONE;
+ rasterizer.point_size = 8.0;
+ rasterizer.gl_rasterization_rules = 1;
+ handle = ctx->create_rasterizer_state(ctx, &rasterizer);
+ ctx->bind_rasterizer_state(ctx, handle);
+ }
+
+ set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
+
+ init_tex();
+ init_fs_constbuf();
+
+ set_vertices();
+ set_vertex_shader();
+ set_fragment_shader();
+}
+
+static void args(int argc, char *argv[])
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-fps") == 0) {
+ show_fps = 1;
+ }
+ else if (i == argc - 1) {
+ filename = argv[i];
+ }
+ else {
+ usage(argv[0]);
+ exit(1);
+ }
+ }
+
+ if (!filename) {
+ usage(argv[0]);
+ exit(1);
+ }
+}
+
+int main( int argc, char *argv[] )
+{
+ args(argc,argv);
+ init();
+
+ graw_set_display_func( draw );
+ graw_main_loop();
+ return 0;
+}
projects / mesa.git / commitdiff