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-rw-r--r--src/mesa/state_tracker/st_context.h13
-rw-r--r--src/mesa/state_tracker/st_gen_mipmap.c225
2 files changed, 8 insertions, 230 deletions
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index e81aebba3d2..09bab7bfb1b 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -146,18 +146,7 @@ struct st_context
struct st_fragment_program *combined_prog;
} bitmap;
- /** For gen/render mipmap feature */
- struct {
- struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state depthstencil;
- struct pipe_rasterizer_state rasterizer;
-
- void *blend_cso;
- void *depthstencil_cso;
- void *rasterizer_cso;
- struct st_fragment_program *stfp;
- struct st_vertex_program *stvp;
- } gen_mipmap;
+ struct gen_mipmap_state *gen_mipmap;
struct cso_context *cso_context;
};
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index e8789259900..5f09d9bb066 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -37,6 +37,8 @@
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "pipe/p_winsys.h"
+#include "util/u_gen_mipmap.h"
+
#include "cso_cache/cso_cache.h"
#include "cso_cache/cso_context.h"
@@ -49,55 +51,6 @@
#include "st_cb_texture.h"
-
-static struct st_fragment_program *
-make_tex_fragment_program(GLcontext *ctx)
-{
- struct st_fragment_program *stfp;
- struct gl_program *p;
- GLuint ic = 0;
-
- p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
- if (!p)
- return NULL;
-
- p->NumInstructions = 2;
-
- p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
- if (!p->Instructions) {
- ctx->Driver.DeleteProgram(ctx, p);
- return NULL;
- }
- _mesa_init_instructions(p->Instructions, p->NumInstructions);
-
- /* TEX result.color, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_COLR;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = 0;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
-
- /* END; */
- p->Instructions[ic++].Opcode = OPCODE_END;
-
- assert(ic == p->NumInstructions);
-
- p->InputsRead = FRAG_BIT_TEX0;
- p->OutputsWritten = (1 << FRAG_RESULT_COLR);
-
- stfp = (struct st_fragment_program *) p;
-
- st_translate_fragment_program(ctx->st, stfp, NULL);
-
- return stfp;
-}
-
-
-
-
/**
* one-time init for generate mipmap
* XXX Note: there may be other times we need no-op/simple state like this.
@@ -106,117 +59,18 @@ make_tex_fragment_program(GLcontext *ctx)
void
st_init_generate_mipmap(struct st_context *st)
{
- struct pipe_context *pipe = st->pipe;
- struct pipe_blend_state blend;
- struct pipe_rasterizer_state rasterizer;
- struct pipe_depth_stencil_alpha_state depthstencil;
-
- /* we don't use blending, but need to set valid values */
- memset(&blend, 0, sizeof(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;
- st->gen_mipmap.blend = blend;
- st->gen_mipmap.blend_cso = pipe->create_blend_state(pipe, &blend);
-
- memset(&depthstencil, 0, sizeof(depthstencil));
- st->gen_mipmap.depthstencil_cso = pipe->create_depth_stencil_alpha_state(pipe, &depthstencil);
-
- /* Note: we're assuming zero is valid for all non-specified fields */
- memset(&rasterizer, 0, sizeof(rasterizer));
- rasterizer.front_winding = PIPE_WINDING_CW;
- rasterizer.cull_mode = PIPE_WINDING_NONE;
- st->gen_mipmap.rasterizer_cso = pipe->create_rasterizer_state(pipe, &rasterizer);
-
- st->gen_mipmap.stfp = make_tex_fragment_program(st->ctx);
- st->gen_mipmap.stvp = st_make_passthrough_vertex_shader(st, GL_FALSE);
+ st->gen_mipmap = util_create_gen_mipmap(st->pipe);
}
void
st_destroy_generate_mipmpap(struct st_context *st)
{
- struct pipe_context *pipe = st->pipe;
-
- pipe->delete_blend_state(pipe, st->gen_mipmap.blend_cso);
- pipe->delete_depth_stencil_alpha_state(pipe, st->gen_mipmap.depthstencil_cso);
- pipe->delete_rasterizer_state(pipe, st->gen_mipmap.rasterizer_cso);
-
- /* XXX free stfp, stvp */
+ util_destroy_gen_mipmap(st->gen_mipmap);
+ st->gen_mipmap = NULL;
}
-static void
-simple_viewport(struct pipe_context *pipe, uint width, uint height)
-{
- struct pipe_viewport_state vp;
-
- vp.scale[0] = 0.5 * width;
- vp.scale[1] = -0.5 * height;
- vp.scale[2] = 1.0;
- vp.scale[3] = 1.0;
- vp.translate[0] = 0.5 * width;
- vp.translate[1] = 0.5 * height;
- vp.translate[2] = 0.0;
- vp.translate[3] = 0.0;
-
- pipe->set_viewport_state(pipe, &vp);
-}
-
-
-
-/*
- * Draw simple [-1,1]x[-1,1] quad
- */
-static void
-draw_quad(GLcontext *ctx)
-{
- GLfloat verts[4][2][4]; /* four verts, two attribs, XYZW */
- GLuint i;
- GLfloat sLeft = 0.0, sRight = 1.0;
- GLfloat tTop = 1.0, tBot = 0.0;
- GLfloat x0 = -1.0, x1 = 1.0;
- GLfloat y0 = -1.0, y1 = 1.0;
-
- /* upper-left */
- verts[0][0][0] = x0; /* attr[0].x */
- verts[0][0][1] = y0; /* attr[0].y */
- verts[0][1][0] = sLeft; /* attr[1].s */
- verts[0][1][1] = tTop; /* attr[1].t */
-
- /* upper-right */
- verts[1][0][0] = x1;
- verts[1][0][1] = y0;
- verts[1][1][0] = sRight;
- verts[1][1][1] = tTop;
-
- /* lower-right */
- verts[2][0][0] = x1;
- verts[2][0][1] = y1;
- verts[2][1][0] = sRight;
- verts[2][1][1] = tBot;
-
- /* lower-left */
- verts[3][0][0] = x0;
- verts[3][0][1] = y1;
- verts[3][1][0] = sLeft;
- verts[3][1][1] = tBot;
-
- /* same for all verts: */
- for (i = 0; i < 4; i++) {
- verts[i][0][2] = 0.0; /*Z*/
- verts[i][0][3] = 1.0; /*W*/
- verts[i][1][2] = 0.0; /*R*/
- verts[i][1][3] = 1.0; /*Q*/
- }
-
- st_draw_vertices(ctx, PIPE_PRIM_QUADS, 4, (float *) verts, 2, GL_TRUE);
-}
-
-
-
/**
* Generate mipmap levels using hardware rendering.
* \return TRUE if successful, FALSE if not possible
@@ -229,12 +83,7 @@ st_render_mipmap(struct st_context *st,
{
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- struct pipe_framebuffer_state fb;
- struct pipe_sampler_state sampler;
- void *sampler_cso;
- const uint face = _mesa_tex_target_to_face(target), zslice = 0;
- /*const uint first_level_save = pt->first_level;*/
- uint dstLevel;
+ const uint face = _mesa_tex_target_to_face(target);
assert(target != GL_TEXTURE_3D); /* not done yet */
@@ -243,67 +92,7 @@ st_render_mipmap(struct st_context *st,
return FALSE;
}
- /* init framebuffer state */
- memset(&fb, 0, sizeof(fb));
- fb.num_cbufs = 1;
-
- /* sampler state */
- memset(&sampler, 0, sizeof(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_NEAREST;
- sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
- sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
- sampler.normalized_coords = 1;
-
-
- /* bind state */
- cso_set_blend(st->cso_context, &st->gen_mipmap.blend);
- cso_set_depth_stencil_alpha(st->cso_context, &st->gen_mipmap.depthstencil);
- cso_set_rasterizer(st->cso_context, &st->gen_mipmap.rasterizer);
-
- /* bind shaders */
- pipe->bind_fs_state(pipe, st->gen_mipmap.stfp->driver_shader);
- pipe->bind_vs_state(pipe, st->gen_mipmap.stvp->driver_shader);
-
- /*
- * XXX for small mipmap levels, it may be faster to use the software
- * fallback path...
- */
- for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
- const uint srcLevel = dstLevel - 1;
-
- /*
- * Setup framebuffer / dest surface
- */
- fb.cbufs[0] = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
- pipe->set_framebuffer_state(pipe, &fb);
-
- /*
- * Setup sampler state
- * Note: we should only have to set the min/max LOD clamps to ensure
- * we grab texels from the right mipmap level. But some hardware
- * has trouble with min clamping so we also set the lod_bias to
- * try to work around that.
- */
- sampler.min_lod = sampler.max_lod = srcLevel;
- sampler.lod_bias = srcLevel;
- sampler_cso = pipe->create_sampler_state(pipe, &sampler);
- pipe->bind_sampler_states(pipe, 1, &sampler_cso);
-
- simple_viewport(pipe, pt->width[dstLevel], pt->height[dstLevel]);
-
- pipe->set_sampler_textures(pipe, 1, &pt);
-
- draw_quad(st->ctx);
-
- pipe->flush(pipe, PIPE_FLUSH_WAIT);
-
- /*pipe->texture_update(pipe, pt); not really needed */
-
- pipe->delete_sampler_state(pipe, sampler_cso);
- }
+ util_gen_mipmap(st->gen_mipmap, pt, face, baseLevel, lastLevel);
/* restore pipe state */
#if 0
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 14:25:38 +0000