diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_exec_api.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_exec_api.c | 149 |
1 files changed, 143 insertions, 6 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec_api.c b/mesalib/src/mesa/vbo/vbo_exec_api.c index 5f3ed9d5d..62e7d03f3 100644 --- a/mesalib/src/mesa/vbo/vbo_exec_api.c +++ b/mesalib/src/mesa/vbo/vbo_exec_api.c @@ -41,11 +41,12 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #include "main/state.h" #include "main/light.h" #include "main/api_arrayelt.h" -#include "main/api_noop.h" #include "main/api_validate.h" #include "main/dispatch.h" #include "vbo_context.h" +#include "vbo_noop.h" + #ifdef ERROR #undef ERROR @@ -546,13 +547,146 @@ static void GLAPIENTRY vbo_exec_EvalPoint2( GLint i, GLint j ) vbo_exec_EvalCoord2f( u, v ); } -/* use noop eval mesh */ -#define vbo_exec_EvalMesh1 _mesa_noop_EvalMesh1 -#define vbo_exec_EvalMesh2 _mesa_noop_EvalMesh2 + +static void GLAPIENTRY +vbo_exec_EvalMesh1(GLenum mode, GLint i1, GLint i2) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + GLfloat u, du; + GLenum prim; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (mode) { + case GL_POINT: + prim = GL_POINTS; + break; + case GL_LINE: + prim = GL_LINE_STRIP; + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh1(mode)" ); + return; + } + + /* No effect if vertex maps disabled. + */ + if (!ctx->Eval.Map1Vertex4 && + !ctx->Eval.Map1Vertex3 && + !(ctx->VertexProgram._Enabled && ctx->Eval.Map1Attrib[VERT_ATTRIB_POS])) + return; + + du = ctx->Eval.MapGrid1du; + u = ctx->Eval.MapGrid1u1 + i1 * du; + + CALL_Begin(GET_DISPATCH(), (prim)); + for (i=i1;i<=i2;i++,u+=du) { + CALL_EvalCoord1f(GET_DISPATCH(), (u)); + } + CALL_End(GET_DISPATCH(), ()); +} + + +static void GLAPIENTRY +vbo_exec_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat u, du, v, dv, v1, u1; + GLint i, j; + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (mode) { + case GL_POINT: + case GL_LINE: + case GL_FILL: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" ); + return; + } + + /* No effect if vertex maps disabled. + */ + if (!ctx->Eval.Map2Vertex4 && + !ctx->Eval.Map2Vertex3 && + !(ctx->VertexProgram._Enabled && ctx->Eval.Map2Attrib[VERT_ATTRIB_POS])) + return; + + du = ctx->Eval.MapGrid2du; + dv = ctx->Eval.MapGrid2dv; + v1 = ctx->Eval.MapGrid2v1 + j1 * dv; + u1 = ctx->Eval.MapGrid2u1 + i1 * du; + + switch (mode) { + case GL_POINT: + CALL_Begin(GET_DISPATCH(), (GL_POINTS)); + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + for (u=u1,i=i1;i<=i2;i++,u+=du) { + CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); + } + } + CALL_End(GET_DISPATCH(), ()); + break; + case GL_LINE: + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP)); + for (u=u1,i=i1;i<=i2;i++,u+=du) { + CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); + } + CALL_End(GET_DISPATCH(), ()); + } + for (u=u1,i=i1;i<=i2;i++,u+=du) { + CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP)); + for (v=v1,j=j1;j<=j2;j++,v+=dv) { + CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); + } + CALL_End(GET_DISPATCH(), ()); + } + break; + case GL_FILL: + for (v=v1,j=j1;j<j2;j++,v+=dv) { + CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP)); + for (u=u1,i=i1;i<=i2;i++,u+=du) { + CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); + CALL_EvalCoord2f(GET_DISPATCH(), (u, v+dv)); + } + CALL_End(GET_DISPATCH(), ()); + } + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" ); + return; + } +} #endif /* FEATURE_evaluators */ +/** + * Execute a glRectf() function. This is not suitable for GL_COMPILE + * modes (as the test for outside begin/end is not compiled), + * but may be useful for drivers in circumstances which exclude + * display list interactions. + * + * (None of the functions in this file are suitable for GL_COMPILE + * modes). + */ +static void GLAPIENTRY +vbo_exec_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + CALL_Begin(GET_DISPATCH(), (GL_QUADS)); + CALL_Vertex2f(GET_DISPATCH(), (x1, y1)); + CALL_Vertex2f(GET_DISPATCH(), (x2, y1)); + CALL_Vertex2f(GET_DISPATCH(), (x2, y2)); + CALL_Vertex2f(GET_DISPATCH(), (x1, y2)); + CALL_End(GET_DISPATCH(), ()); +} + /** * Called via glBegin. @@ -673,7 +807,7 @@ static void vbo_exec_vtxfmt_init( struct vbo_exec_context *exec ) _MESA_INIT_DLIST_VTXFMT(vfmt, _mesa_); _MESA_INIT_EVAL_VTXFMT(vfmt, vbo_exec_); - vfmt->Rectf = _mesa_noop_Rectf; + vfmt->Rectf = vbo_exec_Rectf; /* from attrib_tmp.h: */ @@ -896,7 +1030,9 @@ void vbo_use_buffer_objects(struct gl_context *ctx) /* Allocate a real buffer object now */ _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName, target); - ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj); + if (!ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "VBO allocation"); + } } @@ -933,6 +1069,7 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec ) exec->vtx.buffer_ptr = exec->vtx.buffer_map; vbo_exec_vtxfmt_init( exec ); + _mesa_noop_vtxfmt_init(&exec->vtxfmt_noop); /* Hook our functions into the dispatch table. */ |