diff options
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r-- | src/mesa/drivers/dri/glamo/glamo_context.c | 32 | ||||
-rw-r--r-- | src/mesa/drivers/dri/glamo/glamo_context.h | 3 | ||||
-rw-r--r-- | src/mesa/drivers/dri/glamo/glamo_regs.h | 10 | ||||
-rw-r--r-- | src/mesa/drivers/dri/glamo/glamo_render.c | 15 | ||||
-rw-r--r-- | src/mesa/drivers/dri/glamo/glamo_state.c | 75 |
5 files changed, 135 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/glamo/glamo_context.c b/src/mesa/drivers/dri/glamo/glamo_context.c index 5f435028b7..47241ae9b8 100644 --- a/src/mesa/drivers/dri/glamo/glamo_context.c +++ b/src/mesa/drivers/dri/glamo/glamo_context.c @@ -326,3 +326,35 @@ GLboolean glamoUnbindContext(__DRIcontext *driContextPriv) { return GL_TRUE; } + + +/* Convert IEEE754 32-bit float to Glamo's signed 24-bit float */ +uint32_t float7s16(GLfloat in) +{ + uint32_t a, b; + uint32_t sign, expo, mant; /* Sign, exponent, significand */ + + a = *(uint32_t *)∈ + + /* This is bad */ + if ( a & 0x40000000 ) { + printf(stderr, "Warning: Exponent won't fit into 7 bits\n"); + } + + /* This hopefully isn't a big problem */ + if ( a & 0x0000007f ) { + printf(stderr, "Warning: Precision lost in FP conversion\n"); + } + + /* Separate out the right bits */ + mant = a & 0x007fff80; /* Bits 7-22 (bits 0-6 are lost) */ + expo = a & 0x3f800000; /* Bits 23-29 (bit 30 is lost) */ + sign = a & 0x80000000; /* Bit 31 */ + + /* Shift and recombine */ + b = sign >> 8; /* Fills bit 23 */ + b |= expo >> 7; /* Fills bits 16-22 */ + b |= mant >> 7; /* Fills bits 0-15 */ + + return b; +} diff --git a/src/mesa/drivers/dri/glamo/glamo_context.h b/src/mesa/drivers/dri/glamo/glamo_context.h index 0cedbb233b..3372708ec2 100644 --- a/src/mesa/drivers/dri/glamo/glamo_context.h +++ b/src/mesa/drivers/dri/glamo/glamo_context.h @@ -73,6 +73,8 @@ struct glamo_context { int vertex_size; struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX]; + /* State */ + GLuint new_state; /* State which must be updated */ uint16_t col_clear; }; @@ -99,5 +101,6 @@ extern void glamo_update_renderbuffers(__DRIcontext *context, | (((g) & 0xfc) << 3) \ | (((b) & 0xf8) >> 3)) +extern uint32_t float7s16(GLfloat in); #endif /* __GLAMO_CONTEXT_H */ diff --git a/src/mesa/drivers/dri/glamo/glamo_regs.h b/src/mesa/drivers/dri/glamo/glamo_regs.h index 2ba3036802..02b229449b 100644 --- a/src/mesa/drivers/dri/glamo/glamo_regs.h +++ b/src/mesa/drivers/dri/glamo/glamo_regs.h @@ -159,6 +159,16 @@ enum glamo_register_3d G3D_STREAM_BASE_6 = REG_3D(0x1f44), G3D_STREAM_MODE_7 = REG_3D(0x1f48), G3D_STREAM_BASE_7 = REG_3D(0x1f4c), + + /* Modelview*projection matrix */ + G3D_MATRIX_MVP = REG_3D(0x26a0), /* .. 0x27df */ + + /* Modelview matrix */ + G3D_MATRIX_MV = REG_3D(0x26e0), /* .. 0x270f */ + + /* Inverse MVP, 3x3 only */ + G3D_MATRIX_IMVP = REG_3D(0x2710), /* .. 0x2733 */ + }; #endif /* _GLAMO_REGS_H */ diff --git a/src/mesa/drivers/dri/glamo/glamo_render.c b/src/mesa/drivers/dri/glamo/glamo_render.c index 850df598cc..fd52418956 100644 --- a/src/mesa/drivers/dri/glamo/glamo_render.c +++ b/src/mesa/drivers/dri/glamo/glamo_render.c @@ -149,11 +149,19 @@ static inline GLuint glamoGetCurrentMax(struct glamo_context *gCtx) /* Render pipeline stage */ /**********************************************************************/ +static void glamoFireEngine(struct glamo_context *gCtx) +{ + glamoDRMStartBurst(gCtx, G3D_FIRE); + glamoDRMAddData(gCtx, 0, 2); /* Fire! */ + glamoDRMDispatch(gCtx); +} + static GLboolean glamoRunRender(GLcontext *ctx, struct tnl_pipeline_stage *stage) { TNLcontext *tnl = TNL_CONTEXT(ctx); + struct glamo_context *gCtx = GLAMO_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; GLuint i; @@ -164,6 +172,13 @@ static GLboolean glamoRunRender(GLcontext *ctx, return GL_TRUE; /* Failed */ } + /* Validate GPU state */ + if ( gCtx->new_state ) { + if ( !glamoValidateState(ctx, gCtx->new_state) ) { + printf("Couldn't validate state...\n"); + } + } /* else nothing to update */ + tnl->clipspace.new_inputs |= VERT_BIT_POS; tnl->Driver.Render.Start(ctx); diff --git a/src/mesa/drivers/dri/glamo/glamo_state.c b/src/mesa/drivers/dri/glamo/glamo_state.c index 0bd585a3f3..4046c24aaf 100644 --- a/src/mesa/drivers/dri/glamo/glamo_state.c +++ b/src/mesa/drivers/dri/glamo/glamo_state.c @@ -51,6 +51,10 @@ #include "main/context.h" #include "main/framebuffer.h" +#include "main/api_arrayelt.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" #include "glamo_fbo.h" #include "glamo_state.h" @@ -183,9 +187,80 @@ static void glamoViewport(GLcontext *ctx, GLint x, GLint y, } +static void glamoUploadMatrix(struct glamo_context *gCtx, uint16_t mreg, + GLfloat *matrix) +{ + int i; + char *type; + + switch ( mreg ) { + case G3D_MATRIX_MVP : + type = "MVP"; break; + case G3D_MATRIX_MV : + type = "MV"; break; + case G3D_MATRIX_IMVP : + type = "inverse MVP"; break; + default : + type = "unknown"; break; + } + printf("Uploading %s matrix...\n", type); + + glamoDRMStartBurst(gCtx, mreg); + if ( mreg != G3D_MATRIX_IMVP ) { + for ( i=0; i<16; i++ ) { + glamoDRMAddData(gCtx, float7s16(matrix[i]), 4); + } + } else { + /* Normal matrix needs special treatment */ + for ( i=0; i<3; i++ ) { + glamoDRMAddData(gCtx, float7s16(matrix[4*i]), 4); + glamoDRMAddData(gCtx, float7s16(matrix[4*i+1]), 4); + glamoDRMAddData(gCtx, float7s16(matrix[4*i+2]), 4); + } + } + glamoDRMDispatch(gCtx); +} + + +GLboolean glamoValidateState(GLcontext *ctx, GLuint new_state) +{ + struct glamo_context *gCtx = GLAMO_CONTEXT(ctx); + + if ( new_state & (_NEW_MODELVIEW|_NEW_PROJECTION) ) { + + glamoUploadMatrix(gCtx, G3D_MATRIX_MVP, + ctx->_ModelProjectMatrix.m); + + /* FIXME: The following two aren't needed unless lighting + * is in use... */ + glamoUploadMatrix(gCtx, G3D_MATRIX_MV, + ctx->ModelviewMatrixStack.Top->m); + _math_matrix_alloc_inv(&(ctx->_ModelProjectMatrix)); + _math_matrix_analyse(&(ctx->_ModelProjectMatrix)); + glamoUploadMatrix(gCtx, G3D_MATRIX_IMVP, + ctx->_ModelProjectMatrix.inv); + } + + gCtx->new_state = 0; + return GL_TRUE; +} + + static void glamoUpdateState(GLcontext *ctx, GLbitfield new_state) { + struct glamo_context *gCtx = GLAMO_CONTEXT(ctx); + printf("glamoUpdateState\n"); + + _swrast_InvalidateState(ctx, new_state); + _swsetup_InvalidateState(ctx, new_state); + _vbo_InvalidateState(ctx, new_state); + _tnl_InvalidateState(ctx, new_state); + _ae_invalidate_state(ctx, new_state); + + /* Make a note that some state has changed, + * so that it can be sent to the GPU later. */ + gCtx->new_state |= new_state; } |