diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_arbshader.c')
| -rw-r--r-- | src/mesa/tnl/t_vb_arbshader.c | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vb_arbshader.c b/src/mesa/tnl/t_vb_arbshader.c new file mode 100644 index 00000000000..d779e44004b --- /dev/null +++ b/src/mesa/tnl/t_vb_arbshader.c @@ -0,0 +1,328 @@ +/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 2006 Brian Paul 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, sublicense,
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ * Michal Krol
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "macros.h"
+#include "shaderobjects.h"
+#include "t_pipeline.h"
+#include "slang_utility.h"
+
+typedef struct
+{
+ GLvector4f outputs[VERT_RESULT_MAX];
+ GLvector4f ndc_coords;
+ GLubyte *clipmask;
+ GLubyte ormask;
+ GLubyte andmask;
+} arbvs_stage_data;
+
+#define ARBVS_STAGE_DATA(stage) ((arbvs_stage_data *) stage->privatePtr)
+
+static GLboolean construct_arb_vertex_shader (GLcontext *ctx, struct tnl_pipeline_stage *stage)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *vb = &tnl->vb;
+ arbvs_stage_data *store;
+ GLuint size = vb->Size;
+ GLuint i;
+
+ stage->privatePtr = _mesa_malloc (sizeof (arbvs_stage_data));
+ store = ARBVS_STAGE_DATA(stage);
+ if (store == NULL)
+ return GL_FALSE;
+
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ {
+ _mesa_vector4f_alloc (&store->outputs[i], 0, size, 32);
+ store->outputs[i].size = 4;
+ }
+ _mesa_vector4f_alloc (&store->ndc_coords, 0, size, 32);
+ store->clipmask = (GLubyte *) ALIGN_MALLOC (size, 32);
+
+ return GL_TRUE;
+}
+
+static void destruct_arb_vertex_shader (struct tnl_pipeline_stage *stage)
+{
+ arbvs_stage_data *store = ARBVS_STAGE_DATA(stage);
+
+ if (store != NULL)
+ {
+ GLuint i;
+
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ _mesa_vector4f_free (&store->outputs[i]);
+ _mesa_vector4f_free (&store->ndc_coords);
+ ALIGN_FREE (store->clipmask);
+
+ _mesa_free (store);
+ stage->privatePtr = NULL;
+ }
+}
+
+static void validate_arb_vertex_shader (GLcontext *ctx, struct tnl_pipeline_stage *stage)
+{
+}
+
+/* XXX */
+extern void exec_vertex_shader (struct gl2_vertex_shader_intf **vs);
+extern int _slang_fetch_float (struct gl2_vertex_shader_intf **, const char *, GLfloat *, int);
+extern int _slang_fetch_vec3 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, int);
+extern int _slang_fetch_vec4 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, GLuint, int);
+extern int _slang_fetch_mat4 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, GLuint, int);
+
+static void fetch_input_float (const char *name, GLuint attr, GLuint i, struct vertex_buffer *vb,
+ struct gl2_vertex_shader_intf **vs)
+{
+ const GLubyte *ptr = (const GLubyte *) vb->AttribPtr[attr]->data;
+ const GLuint size = vb->AttribPtr[attr]->size;
+ const GLuint stride = vb->AttribPtr[attr]->stride;
+ const GLfloat *data = (const GLfloat *) (ptr + stride * i);
+ float vec[1];
+
+ vec[0] = data[0];
+ _slang_fetch_float (vs, name, vec, 1);
+}
+
+static void fetch_input_vec3 (const char *name, GLuint attr, GLuint i, struct vertex_buffer *vb,
+ struct gl2_vertex_shader_intf **vs)
+{
+ const GLubyte *ptr = (const GLubyte *) vb->AttribPtr[attr]->data;
+ const GLuint size = vb->AttribPtr[attr]->size;
+ const GLuint stride = vb->AttribPtr[attr]->stride;
+ const GLfloat *data = (const GLfloat *) (ptr + stride * i);
+ float vec[3];
+
+ vec[0] = data[0];
+ vec[1] = data[1];
+ vec[2] = data[2];
+ _slang_fetch_vec3 (vs, name, vec, 1);
+}
+
+static void fetch_input_vec4 (const char *name, GLuint attr, GLuint i, struct vertex_buffer *vb,
+ struct gl2_vertex_shader_intf **vs)
+{
+ const GLubyte *ptr = (const GLubyte *) vb->AttribPtr[attr]->data;
+ const GLuint size = vb->AttribPtr[attr]->size;
+ const GLuint stride = vb->AttribPtr[attr]->stride;
+ const GLfloat *data = (const GLfloat *) (ptr + stride * i);
+ float vec[4];
+
+ switch (size)
+ {
+ case 2:
+ vec[0] = data[0];
+ vec[1] = data[1];
+ vec[2] = 0.0f;
+ vec[3] = 1.0f;
+ break;
+ case 3:
+ vec[0] = data[0];
+ vec[1] = data[1];
+ vec[2] = data[2];
+ vec[3] = 1.0f;
+ break;
+ case 4:
+ vec[0] = data[0];
+ vec[1] = data[1];
+ vec[2] = data[2];
+ vec[3] = data[3];
+ break;
+ }
+ _slang_fetch_vec4 (vs, name, vec, 0, 1);
+}
+
+static void fetch_output_float (const char *name, GLuint attr, GLuint i, arbvs_stage_data *store,
+ struct gl2_vertex_shader_intf **vs)
+{
+ float vec[1];
+
+ _slang_fetch_float (vs, name, vec, 0);
+ _mesa_memcpy (&store->outputs[attr].data[i], vec, 4);
+}
+
+static void fetch_output_vec4 (const char *name, GLuint attr, GLuint i, GLuint index,
+ arbvs_stage_data *store, struct gl2_vertex_shader_intf **vs)
+{
+ float vec[4];
+
+ _slang_fetch_vec4 (vs, name, vec, index, 0);
+ _mesa_memcpy (&store->outputs[attr].data[i], vec, 16);
+}
+
+static void fetch_uniform_mat4 (const char *name, const GLmatrix *matrix, GLuint index,
+ struct gl2_vertex_shader_intf **vs)
+{
+ _slang_fetch_mat4 (vs, name, matrix->m, index, 1);
+}
+
+static GLboolean run_arb_vertex_shader (GLcontext *ctx, struct tnl_pipeline_stage *stage)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *vb = &tnl->vb;
+ arbvs_stage_data *store = ARBVS_STAGE_DATA(stage);
+ struct gl2_program_intf **prog;
+ struct gl2_vertex_shader_intf **vs = NULL;
+ GLsizei count, i, j;
+
+ prog = ctx->ShaderObjects.CurrentProgram;
+ if (prog == NULL)
+ return GL_TRUE;
+
+ count = (**prog)._container.GetAttachedCount ((struct gl2_container_intf **) prog);
+ for (i = 0; i < count; i++)
+ {
+ struct gl2_generic_intf **obj;
+ struct gl2_unknown_intf **unk;
+
+ obj = (**prog)._container.GetAttached ((struct gl2_container_intf **) prog, i);
+ unk = (**obj)._unknown.QueryInterface ((struct gl2_unknown_intf **) obj, UIID_VERTEX_SHADER);
+ (**obj)._unknown.Release ((struct gl2_unknown_intf **) obj);
+ if (unk != NULL)
+ {
+ vs = (struct gl2_vertex_shader_intf **) unk;
+ break;
+ }
+ }
+ if (vs == NULL)
+ return GL_TRUE;
+
+ fetch_uniform_mat4 ("gl_ModelViewMatrix", ctx->ModelviewMatrixStack.Top, 0, vs);
+ fetch_uniform_mat4 ("gl_ProjectionMatrix", ctx->ProjectionMatrixStack.Top, 0, vs);
+ fetch_uniform_mat4 ("gl_ModelViewProjectionMatrix", &ctx->_ModelProjectMatrix, 0, vs);
+ for (j = 0; j < 8; j++)
+ fetch_uniform_mat4 ("gl_TextureMatrix", ctx->TextureMatrixStack[j].Top, j, vs);
+ /* XXX: fetch uniform mat3 gl_NormalMatrix */
+ /* XXX: fetch uniform mat4 gl_ModelViewMatrixInverse */
+ /* XXX: fetch uniform mat4 gl_ProjectionMatrixInverse */
+ /* XXX: fetch uniform mat4 gl_ModelViewProjectionMatrixInverse */
+ /* XXX: fetch uniform mat4 gl_TextureMatrixInverse */
+ /* XXX: fetch uniform mat4 gl_ModelViewMatrixTranspose */
+ /* XXX: fetch uniform mat4 gl_ProjectionMatrixTranspose */
+ /* XXX: fetch uniform mat4 gl_ModelViewProjectionMatrixTranspose */
+ /* XXX: fetch uniform mat4 gl_TextureMatrixTranspose */
+ /* XXX: fetch uniform mat4 gl_ModelViewMatrixInverseTranspose */
+ /* XXX: fetch uniform mat4 gl_ProjectionMatrixInverseTranspose */
+ /* XXX: fetch uniform mat4 gl_ModelViewProjectionMatrixInverseTranspose */
+ /* XXX: fetch uniform mat4 gl_TextureMatrixInverseTranspose */
+ /* XXX: fetch uniform float gl_NormalScale */
+ /* XXX: fetch uniform mat4 gl_ClipPlane */
+ /* XXX: fetch uniform mat4 gl_TextureEnvColor */
+ /* XXX: fetch uniform mat4 gl_EyePlaneS */
+ /* XXX: fetch uniform mat4 gl_EyePlaneT */
+ /* XXX: fetch uniform mat4 gl_EyePlaneR */
+ /* XXX: fetch uniform mat4 gl_EyePlaneQ */
+ /* XXX: fetch uniform mat4 gl_ObjectPlaneS */
+ /* XXX: fetch uniform mat4 gl_ObjectPlaneT */
+ /* XXX: fetch uniform mat4 gl_ObjectPlaneR */
+ /* XXX: fetch uniform mat4 gl_ObjectPlaneQ */
+
+ for (i = 0; i < vb->Count; i++)
+ {
+ fetch_input_vec4 ("gl_Vertex", _TNL_ATTRIB_POS, i, vb, vs);
+ fetch_input_vec3 ("gl_Normal", _TNL_ATTRIB_NORMAL, i, vb, vs);
+ fetch_input_vec4 ("gl_Color", _TNL_ATTRIB_COLOR0, i, vb, vs);
+ fetch_input_vec4 ("gl_SecondaryColor", _TNL_ATTRIB_COLOR1, i, vb, vs);
+ fetch_input_float ("gl_FogCoord", _TNL_ATTRIB_FOG, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord0", _TNL_ATTRIB_TEX0, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord1", _TNL_ATTRIB_TEX1, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord2", _TNL_ATTRIB_TEX2, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord3", _TNL_ATTRIB_TEX3, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord4", _TNL_ATTRIB_TEX4, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord5", _TNL_ATTRIB_TEX5, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord6", _TNL_ATTRIB_TEX6, i, vb, vs);
+ fetch_input_vec4 ("gl_MultiTexCoord7", _TNL_ATTRIB_TEX7, i, vb, vs);
+
+ exec_vertex_shader (vs);
+
+ fetch_output_vec4 ("gl_Position", VERT_RESULT_HPOS, i, 0, store, vs);
+ fetch_output_vec4 ("gl_FrontColor", VERT_RESULT_COL0, i, 0, store, vs);
+ fetch_output_vec4 ("gl_FrontSecondaryColor", VERT_RESULT_COL1, i, 0, store, vs);
+ fetch_output_float ("gl_FogFragCoord", VERT_RESULT_FOGC, i, store, vs);
+ for (j = 0; j < 8; j++)
+ fetch_output_vec4 ("gl_TexCoord", VERT_RESULT_TEX0 + j, i, j, store, vs);
+ fetch_output_float ("gl_PointSize", VERT_RESULT_PSIZ, i, store, vs);
+ fetch_output_vec4 ("gl_BackColor", VERT_RESULT_BFC0, i, 0, store, vs);
+ fetch_output_vec4 ("gl_BackSecondaryColor", VERT_RESULT_BFC1, i, 0, store, vs);
+ /* XXX: fetch output gl_ClipVertex */
+ }
+
+ (**vs)._shader._generic._unknown.Release ((struct gl2_unknown_intf **) vs);
+
+ vb->ClipPtr = &store->outputs[VERT_RESULT_HPOS];
+ vb->ClipPtr->count = vb->Count;
+ vb->ColorPtr[0] = &store->outputs[VERT_RESULT_COL0];
+ vb->SecondaryColorPtr[0] = &store->outputs[VERT_RESULT_COL1];
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
+ vb->TexCoordPtr[i] = &store->outputs[VERT_RESULT_TEX0 + i];
+ vb->ColorPtr[1] = &store->outputs[VERT_RESULT_BFC0];
+ vb->SecondaryColorPtr[1] = &store->outputs[VERT_RESULT_BFC1];
+ vb->FogCoordPtr = &store->outputs[VERT_RESULT_FOGC];
+ vb->PointSizePtr = &store->outputs[VERT_RESULT_PSIZ];
+
+ vb->AttribPtr[VERT_ATTRIB_COLOR0] = vb->ColorPtr[0];
+ vb->AttribPtr[VERT_ATTRIB_COLOR1] = vb->SecondaryColorPtr[0];
+ vb->AttribPtr[VERT_ATTRIB_FOG] = vb->FogCoordPtr;
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
+ vb->AttribPtr[VERT_ATTRIB_TEX0 + i] = vb->TexCoordPtr[i];
+ vb->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->outputs[VERT_RESULT_PSIZ];
+
+ store->ormask = 0;
+ store->andmask = CLIP_ALL_BITS;
+
+ if (tnl->NeedNdcCoords)
+ {
+ vb->NdcPtr = _mesa_clip_tab[vb->ClipPtr->size] (vb->ClipPtr, &store->ndc_coords,
+ store->clipmask, &store->ormask, &store->andmask);
+ }
+ else
+ {
+ vb->NdcPtr = NULL;
+ _mesa_clip_np_tab[vb->ClipPtr->size] (vb->ClipPtr, NULL, store->clipmask, &store->ormask,
+ &store->andmask);
+ }
+
+ if (store->andmask)
+ return GL_FALSE;
+
+ vb->ClipAndMask = store->andmask;
+ vb->ClipOrMask = store->ormask;
+ vb->ClipMask = store->clipmask;
+
+ return GL_TRUE;
+}
+
+const struct tnl_pipeline_stage _tnl_arb_vertex_shader_stage = {
+ "ARB_vertex_shader",
+ NULL,
+ construct_arb_vertex_shader,
+ destruct_arb_vertex_shader,
+ validate_arb_vertex_shader,
+ run_arb_vertex_shader
+};
+
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