X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fstate.c;h=7ad50bcaddcfeb78b6a8c287056858f2734bf35d;hp=589029db58b594a836210dd9d8ef0314503dd675;hb=636d01bd61cac83e13c3c64874e7e34e828ca93a;hpb=a8238bb08a95e7ea4430450c304a6bee210df1a6 diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 589029db58b..7ad50bcaddc 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -27,7 +27,7 @@ * \file state.c * State management. * - * This file manages recalculation of derived values in GLcontext. + * This file manages recalculation of derived values in struct gl_context. */ @@ -41,55 +41,26 @@ #include "light.h" #include "matrix.h" #include "pixel.h" -#include "shader/program.h" -#include "shader/prog_parameter.h" +#include "program/program.h" +#include "program/prog_parameter.h" #include "state.h" #include "stencil.h" #include "texenvprogram.h" #include "texobj.h" #include "texstate.h" +#include "varray.h" static void -update_separate_specular(GLcontext *ctx) +update_separate_specular(struct gl_context *ctx) { - if (NEED_SECONDARY_COLOR(ctx)) + if (_mesa_need_secondary_color(ctx)) ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; else ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR; } -/** - * Compute the index of the last array element that can be safely accessed - * in a vertex array. We can really only do this when the array lives in - * a VBO. - * The array->_MaxElement field will be updated. - * Later in glDrawArrays/Elements/etc we can do some bounds checking. - */ -static void -compute_max_element(struct gl_client_array *array) -{ - assert(array->Enabled); - if (array->BufferObj->Name) { - GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr; - GLsizeiptrARB obj_size = (GLsizeiptrARB) array->BufferObj->Size; - - if (offset < obj_size) { - array->_MaxElement = (obj_size - offset + - array->StrideB - - array->_ElementSize) / array->StrideB; - } else { - array->_MaxElement = 0; - } - } - else { - /* user-space array, no idea how big it is */ - array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */ - } -} - - /** * Helper for update_arrays(). * \return min(current min, array->_MaxElement). @@ -97,7 +68,7 @@ compute_max_element(struct gl_client_array *array) static GLuint update_min(GLuint min, struct gl_client_array *array) { - compute_max_element(array); + _mesa_update_array_max_element(array); return MIN2(min, array->_MaxElement); } @@ -107,7 +78,7 @@ update_min(GLuint min, struct gl_client_array *array) * Need to do this upon new array state or new buffer object state. */ static void -update_arrays( GLcontext *ctx ) +update_arrays( struct gl_context *ctx ) { struct gl_array_object *arrayObj = ctx->Array.ArrayObj; GLuint i, min = ~0; @@ -219,9 +190,12 @@ update_arrays( GLcontext *ctx ) * This needs to be done before texture state validation. */ static void -update_program_enables(GLcontext *ctx) +update_program_enables(struct gl_context *ctx) { - /* These _Enabled flags indicate if the program is enabled AND valid. */ + /* These _Enabled flags indicate if the user-defined ARB/NV vertex/fragment + * program is enabled AND valid. Similarly for ATI fragment shaders. + * GLSL shaders not relevant here. + */ ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled && ctx->VertexProgram.Current->Base.Instructions; ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled @@ -232,11 +206,12 @@ update_program_enables(GLcontext *ctx) /** - * Update vertex/fragment program state. In particular, update these fields: - * ctx->VertexProgram._Current - * ctx->VertexProgram._TnlProgram, - * These point to the highest priority enabled vertex/fragment program or are - * NULL if fixed-function processing is to be done. + * Update the ctx->Vertex/Geometry/FragmentProgram._Current pointers to point + * to the current/active programs. Then call ctx->Driver.BindProgram() to + * tell the driver which programs to use. + * + * Programs may come from 3 sources: GLSL shaders, ARB/NV_vertex/fragment + * programs or programs derived from fixed-function state. * * This function needs to be called after texture state validation in case * we're generating a fragment program from fixed-function texture state. @@ -245,11 +220,14 @@ update_program_enables(GLcontext *ctx) * or fragment program is being used. */ static GLbitfield -update_program(GLcontext *ctx) +update_program(struct gl_context *ctx) { - const struct gl_shader_program *shProg = ctx->Shader.CurrentProgram; + const struct gl_shader_program *vsProg = ctx->Shader.CurrentVertexProgram; + const struct gl_shader_program *gsProg = ctx->Shader.CurrentGeometryProgram; + const struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram; const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current; const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current; + const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current; GLbitfield new_state = 0x0; /* @@ -268,46 +246,53 @@ update_program(GLcontext *ctx) * come up, or matter. */ - if (shProg && shProg->LinkStatus && shProg->FragmentProgram) { - /* Use shader programs */ + if (fsProg && fsProg->LinkStatus && fsProg->FragmentProgram) { + /* Use GLSL fragment shader */ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, - shProg->FragmentProgram); + fsProg->FragmentProgram); } else if (ctx->FragmentProgram._Enabled) { - /* use user-defined vertex program */ + /* Use user-defined fragment program */ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, ctx->FragmentProgram.Current); } else if (ctx->FragmentProgram._MaintainTexEnvProgram) { - /* Use fragment program generated from fixed-function state. - */ + /* Use fragment program generated from fixed-function state */ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, _mesa_get_fixed_func_fragment_program(ctx)); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, ctx->FragmentProgram._Current); } else { - /* no fragment program */ + /* No fragment program */ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); } + if (gsProg && gsProg->LinkStatus && gsProg->GeometryProgram) { + /* Use GLSL geometry shader */ + _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, + gsProg->GeometryProgram); + } else { + /* No geometry program */ + _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL); + } + /* Examine vertex program after fragment program as * _mesa_get_fixed_func_vertex_program() needs to know active * fragprog inputs. */ - if (shProg && shProg->LinkStatus && shProg->VertexProgram) { - /* Use shader programs */ + if (vsProg && vsProg->LinkStatus && vsProg->VertexProgram) { + /* Use GLSL vertex shader */ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - shProg->VertexProgram); + vsProg->VertexProgram); } else if (ctx->VertexProgram._Enabled) { - /* use user-defined vertex program */ + /* Use user-defined vertex program */ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, ctx->VertexProgram.Current); } else if (ctx->VertexProgram._MaintainTnlProgram) { - /* Use vertex program generated from fixed-function state. - */ + /* Use vertex program generated from fixed-function state */ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, _mesa_get_fixed_func_vertex_program(ctx)); _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, @@ -327,7 +312,15 @@ update_program(GLcontext *ctx) (struct gl_program *) ctx->FragmentProgram._Current); } } - + + if (ctx->GeometryProgram._Current != prevGP) { + new_state |= _NEW_PROGRAM; + if (ctx->Driver.BindProgram) { + ctx->Driver.BindProgram(ctx, MESA_GEOMETRY_PROGRAM, + (struct gl_program *) ctx->GeometryProgram._Current); + } + } + if (ctx->VertexProgram._Current != prevVP) { new_state |= _NEW_PROGRAM; if (ctx->Driver.BindProgram) { @@ -344,7 +337,7 @@ update_program(GLcontext *ctx) * Examine shader constants and return either _NEW_PROGRAM_CONSTANTS or 0. */ static GLbitfield -update_program_constants(GLcontext *ctx) +update_program_constants(struct gl_context *ctx) { GLbitfield new_state = 0x0; @@ -356,6 +349,16 @@ update_program_constants(GLcontext *ctx) } } + if (ctx->GeometryProgram._Current) { + const struct gl_program_parameter_list *params = + ctx->GeometryProgram._Current->Base.Parameters; + /*FIXME: StateFlags is always 0 because we have unnamed constant + * not state changes */ + if (params /*&& params->StateFlags & ctx->NewState*/) { + new_state |= _NEW_PROGRAM_CONSTANTS; + } + } + if (ctx->VertexProgram._Current) { const struct gl_program_parameter_list *params = ctx->VertexProgram._Current->Base.Parameters; @@ -371,7 +374,7 @@ update_program_constants(GLcontext *ctx) static void -update_viewport_matrix(GLcontext *ctx) +update_viewport_matrix(struct gl_context *ctx) { const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF; @@ -393,7 +396,7 @@ update_viewport_matrix(GLcontext *ctx) * Update derived multisample state. */ static void -update_multisample(GLcontext *ctx) +update_multisample(struct gl_context *ctx) { ctx->Multisample._Enabled = GL_FALSE; if (ctx->Multisample.Enabled && @@ -407,21 +410,65 @@ update_multisample(GLcontext *ctx) * Update derived color/blend/logicop state. */ static void -update_color(GLcontext *ctx) +update_color(struct gl_context *ctx) { /* This is needed to support 1.1's RGB logic ops AND * 1.0's blending logicops. */ - ctx->Color._LogicOpEnabled = RGBA_LOGICOP_ENABLED(ctx); + ctx->Color._LogicOpEnabled = _mesa_rgba_logicop_enabled(ctx); +} + + +/** + * Update the ctx->Color._ClampFragmentColor field + */ +static void +update_clamp_fragment_color(struct gl_context *ctx) +{ + if (ctx->Color.ClampFragmentColor == GL_FIXED_ONLY_ARB) + ctx->Color._ClampFragmentColor = + !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode; + else + ctx->Color._ClampFragmentColor = ctx->Color.ClampFragmentColor; +} + + +/** + * Update the ctx->Color._ClampVertexColor field + */ +static void +update_clamp_vertex_color(struct gl_context *ctx) +{ + if (ctx->Light.ClampVertexColor == GL_FIXED_ONLY_ARB) + ctx->Light._ClampVertexColor = + !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode; + else + ctx->Light._ClampVertexColor = ctx->Light.ClampVertexColor; } +/** + * Update the ctx->Color._ClampReadColor field + */ +static void +update_clamp_read_color(struct gl_context *ctx) +{ + if (ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB) + ctx->Color._ClampReadColor = + !ctx->ReadBuffer || !ctx->ReadBuffer->Visual.floatMode; + else + ctx->Color._ClampReadColor = ctx->Color.ClampReadColor; +} + + + + /* * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET * in ctx->_TriangleCaps if needed. */ static void -update_polygon(GLcontext *ctx) +update_polygon(struct gl_context *ctx) { ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET); @@ -443,7 +490,7 @@ update_polygon(GLcontext *ctx) */ #if 0 static void -update_tricaps(GLcontext *ctx, GLbitfield new_state) +update_tricaps(struct gl_context *ctx, GLbitfield new_state) { ctx->_TriangleCaps = 0; @@ -453,8 +500,6 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) if (1/*new_state & _NEW_POINT*/) { if (ctx->Point.SmoothFlag) ctx->_TriangleCaps |= DD_POINT_SMOOTH; - if (ctx->Point.Size != 1.0F) - ctx->_TriangleCaps |= DD_POINT_SIZE; if (ctx->Point._Attenuated) ctx->_TriangleCaps |= DD_POINT_ATTEN; } @@ -467,8 +512,6 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) ctx->_TriangleCaps |= DD_LINE_SMOOTH; if (ctx->Line.StippleFlag) ctx->_TriangleCaps |= DD_LINE_STIPPLE; - if (ctx->Line.Width != 1.0) - ctx->_TriangleCaps |= DD_LINE_WIDTH; } /* @@ -498,7 +541,7 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE; if (ctx->Light.ShadeModel == GL_FLAT) ctx->_TriangleCaps |= DD_FLATSHADE; - if (NEED_SECONDARY_COLOR(ctx)) + if (_mesa_need_secondary_color(ctx)) ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; /* @@ -512,7 +555,7 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) /** * Compute derived GL state. - * If __GLcontextRec::NewState is non-zero then this function \b must + * If __struct gl_contextRec::NewState is non-zero then this function \b must * be called before rendering anything. * * Calls dd_function_table::UpdateState to perform any internal state @@ -523,7 +566,7 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) * _mesa_update_lighting() and _mesa_update_tnl_spaces(). */ void -_mesa_update_state_locked( GLcontext *ctx ) +_mesa_update_state_locked( struct gl_context *ctx ) { GLbitfield new_state = ctx->NewState; GLbitfield prog_flags = _NEW_PROGRAM; @@ -537,9 +580,9 @@ _mesa_update_state_locked( GLcontext *ctx ) /* Determine which state flags effect vertex/fragment program state */ if (ctx->FragmentProgram._MaintainTexEnvProgram) { - prog_flags |= (_NEW_TEXTURE | _NEW_FOG | + prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG | _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE | - _NEW_PROGRAM); + _NEW_PROGRAM | _NEW_FRAG_CLAMP); } if (ctx->VertexProgram._MaintainTnlProgram) { prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX | @@ -573,18 +616,18 @@ _mesa_update_state_locked( GLcontext *ctx ) if (new_state & _NEW_LIGHT) _mesa_update_lighting( ctx ); + if (new_state & (_NEW_LIGHT | _NEW_BUFFERS)) + update_clamp_vertex_color(ctx); + if (new_state & (_NEW_STENCIL | _NEW_BUFFERS)) _mesa_update_stencil( ctx ); - if (new_state & _MESA_NEW_TRANSFER_STATE) + if (new_state & _NEW_PIXEL) _mesa_update_pixel( ctx, new_state ); if (new_state & _DD_NEW_SEPARATE_SPECULAR) update_separate_specular( ctx ); - if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT)) - update_arrays( ctx ); - if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT)) update_viewport_matrix(ctx); @@ -594,6 +637,12 @@ _mesa_update_state_locked( GLcontext *ctx ) if (new_state & _NEW_COLOR) update_color( ctx ); + if (new_state & (_NEW_COLOR | _NEW_BUFFERS)) + update_clamp_read_color(ctx); + + if(new_state & (_NEW_FRAG_CLAMP | _NEW_BUFFERS)) + update_clamp_fragment_color(ctx); + #if 0 if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR)) @@ -620,6 +669,8 @@ _mesa_update_state_locked( GLcontext *ctx ) new_prog_state |= update_program( ctx ); } + if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT)) + update_arrays( ctx ); out: new_prog_state |= update_program_constants(ctx); @@ -637,13 +688,15 @@ _mesa_update_state_locked( GLcontext *ctx ) ctx->NewState = 0; ctx->Driver.UpdateState(ctx, new_state); ctx->Array.NewState = 0; + if (!ctx->Array.RebindArrays) + ctx->Array.RebindArrays = (new_state & (_NEW_ARRAY | _NEW_PROGRAM)) != 0; } /* This is the usual entrypoint for state updates: */ void -_mesa_update_state( GLcontext *ctx ) +_mesa_update_state( struct gl_context *ctx ) { _mesa_lock_context_textures(ctx); _mesa_update_state_locked(ctx); @@ -676,7 +729,7 @@ _mesa_update_state( GLcontext *ctx ) * Otherwise, the fp should track them as state values instead. */ void -_mesa_set_varying_vp_inputs( GLcontext *ctx, +_mesa_set_varying_vp_inputs( struct gl_context *ctx, GLbitfield varying_inputs ) { if (ctx->varying_vp_inputs != varying_inputs) { @@ -694,7 +747,7 @@ _mesa_set_varying_vp_inputs( GLcontext *ctx, * of ordinary varyings/inputs. */ void -_mesa_set_vp_override(GLcontext *ctx, GLboolean flag) +_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag) { if (ctx->VertexProgram._Overriden != flag) { ctx->VertexProgram._Overriden = flag;